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22 tháng 2 2020

Chọn đáp án đúng:

It ............ dark. Shall I turn on the light?

A. was getting B. got C. gets D. is getting

Tìm lỗi sai và sửa lại

1. (A)Millions of people (B)visit -> have visited the museum (C)since it was opened (D)in2015

2. Petrol (A)is now (B)twice as expensive than -> as (C) it was (D)ten years ago

Cho dạng đúng của từ

1. English is........widely.......wide used in many parts of the world

13 tháng 4 2020

Exercise 2: There is a mistake in the four underlined parts of each sentence. Find the mistake (A, B, C, D) and correct it.

1. My grandmother used to be telling us folktales when we were small.

B -> tell

2. You have to be back both 9'o clock and 9.30 in the evening.

B -> between

3. Our grandparents not went to school because they had to do a lot of housework.

A -> didn't go

4. There wasn't no electricity in our village ten years ago.

B -> any

5. Everyone was exiting as the prince wanted to choose his wife from the village.

A -> excited

8 tháng 6 2019

Tìm và sửa lỗi sai:

1. A sample of chocolate given after => was given after visitors have toured the factory

2. In the morning , the professor showed us up the => around the university

3. One quarter to one third of the world's coffee are => is produced by Brazil

4. The procedure is almost the same like => as it was 200 years ago.

8 tháng 6 2019

Tìm và sửa lỗi sai:

1. A sample of chocolate given after => was given after visitors have toured the factory
2. In the morning , the professor showed us up => to the university
3. One quarter to one third of the world's coffee are => is produced by Brazil
4. The procedure is almost the same like => as it was 200 years ago.

Choose the best answer. 1. He..........in the pub when his wife...........him. a. is sitting / sees b. sits / sees c. was sitting / saw d. sat / saw 2. When I ...........home , the sun .......... a. left / shining b. left / shined c. was leaving / shined d. left / was shining 3. The girl ........when she ............. a. fell / was running b. fall / running c. fall / run ...
Đọc tiếp

Choose the best answer.

1. He..........in the pub when his wife...........him.

a. is sitting / sees b. sits / sees c. was sitting / saw d. sat / saw

2. When I ...........home , the sun ..........

a. left / shining b. left / shined c. was leaving / shined d. left / was shining

3. The girl ........when she .............

a. fell / was running b. fall / running c. fall / run d. was falling/ run

4. When the bomb..............we.................dinner.

a. explodes /had b. explodes / had c. exploded / were getting d. were exploding/had

5. It................this afternoon when I ..............up.

a. was snowing / get b. was snowing / got c. snowed / was getting d. snowed / getting

6. He...........questions ! I am tired of answering him.

a. asked b. was asking c. is always asking d. always asked

7. I ...............my car key. How forgetful I was.

a. losing b. will lose c. was always losing d. am always losing

8. Chicago is situated right ...........the shore of Lake Michigan , one of the Great Lakes.

a. in b. at c. on d. above

9. This is a picture of Mount Rushmore where the heads of four American presidents are...........into the rock.

a. put b. cut c. carved d. got

10. Yesterday I..........and..........a lot of souvernirs.

a. went / buy b. went / buying c. go/ buy d. went / bought

1
5 tháng 1 2017

1. He..........in the pub when his wife...........him.

a. is sitting / sees b. sits / sees c. was sitting / saw d. sat / saw

2. When I ...........home , the sun ..........

a. left / shining b. left / shined c. was leaving / shined d. left / was shining

3. The girl ........when she .............

a. fell / was running b. fall / running c. fall / run d. was falling/ run

4. When the bomb..............we.................dinner.

a. explodes /had b. explodes / had c. exploded / were getting d. were exploding/had

5. It................this afternoon when I ..............up.

a. was snowing / get b. was snowing / got c. snowed / was getting d. snowed / getting

6. He...........questions ! I am tired of answering him.

a. asked b. was asking c. is always asking d. always asked

7. I ...............my car key. How forgetful I was.

a. losing b. will lose c. was always losing d. am always losing

8. Chicago is situated right ...........the shore of Lake Michigan , one of the Great Lakes.

a. in b. at c. on d. above

9. This is a picture of Mount Rushmore where the heads of four American presidents are...........into the rock.

a. put b. cut c. carved d. got

10. Yesterday I..........and..........a lot of souvernirs.

a. went / buy b. went / buying c. go/ buy d. went / bought

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet. There is much more water than land (1)___________ the surface of the earth. The sea and oceans (2)_____________ nearly four-fifths of the whole world, and only one-fifth of (3)__________ land. If you traveled over the earth (4)______ ________different directions, you would have to spend much more of your time (5)________________ on water than on roads or railways. We sometimes...
Đọc tiếp

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet.

There is much more water than land (1)___________ the surface of the earth. The sea and oceans (2)_____________ nearly four-fifths of the whole world, and only one-fifth of (3)__________ land. If you traveled over the earth (4)______ ________different directions, you would have to spend much more of your time (5)________________ on water than on roads or railways. We sometimes forget that (6)_______________ every mile of land there is four miles of water.

There is much water on the surface of our earth that we (7)______________ to use two words to describe. We use the word seas to (8)______________ those parts of water surface which (9)______________ only a few hundreds of miles wide, the word oceans to describe the huge areas of water which are thousands of miles wide (10)__________ very deep.

III. Read the following passage carefully and choose the best answer to each question. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.

One of the most urgent environmental problems in the world today is the shortage of clean water. Having clean drinking water is basic human right. But acid rain, industrial pollution and garbage have made many sources of water undrinkable. Lakes, reservoirs and even entire seas have become vast pools of poison. Lake Baikal in Russia is one of the largest lakes in the world. It contains a rich variety of animals and plants, including 1,300 rare species that do not exist anywhere else in the world. But they are being destroyed by the massive volumes of industrial effluent which pours into the lake everyday. Even where law existed, the government did not have the power to enforce them. Most industries simply ignore the regulations. The Mediterranean Sea occupies 1% of the world’s water surface. But it is the dumping ground for 50% of all marine pollution. Almost 16 countries regularly throw industrial wastes a few miles off shore.

Water is free to everyone. A few years ago people thought that the supply of clean water in the world was limitless. Today, many water supplies have been ruined by pollution and sewage. Clean water is now scarce, and we are at last beginning to respect this precious source. We should do something now.

1. According to the writer, one environmental problem in the world today is ________ .

A. acid rain B. industrial pollution. C. safe water shortage. D. population explosion .

2. Many sources of water are not drinkable because of _______ .

A. acid rain. B. industrial pollution. C. garbage D. all A, B, C, are correct

3. What is serious problem of Lake Baikal in Russia?

A. It contains a rich variety of animals and plants.

B. It is polluted by massive volumes of industrial wastes discharged into it .

C. It has 1,300 rare species that do not exist anywhere else in the world .

D. The government did not have the power to enforce laws and regulations.

4. How many countries throw industrial waste into the Mediterranean Sea regularly?

A. nearly 16 B. exactly 16. C. exactly 15 D. less than 15.

5. What is the message to the reader?

A. We should take action to protect our water resources.

B. We should take all water resources into account.

C. We should limit the use of water resources.

D. We should encourage people to use safe water.

1
28 tháng 12 2017

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet.

There is much more water than land (1)____on_______ the surface of the earth. The sea and oceans (2)_____are________ nearly four-fifths of the whole world, and only one-fifth of (3)___surface _______ land. If you traveled over the earth (4)____in_____different directions, you would have to spend much more of your time (5)______travelling__________ on water than on roads or railways. We sometimes forget that (6)______each_________ every mile of land there is four miles of water.

There is much water on the surface of our earth that we (7)______have________ to use two words to describe. We use the word seas to (8)____describle __________ those parts of water surface which (9)_______are _______ only a few hundreds of miles wide, the word oceans to describe the huge areas of water which are thousands of miles wide (10)_____and_____ very deep.

III. Read the following passage carefully and choose the best answer to each question. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.

One of the most urgent environmental problems in the world today is the shortage of clean water. Having clean drinking water is basic human right. But acid rain, industrial pollution and garbage have made many sources of water undrinkable. Lakes, reservoirs and even entire seas have become vast pools of poison. Lake Baikal in Russia is one of the largest lakes in the world. It contains a rich variety of animals and plants, including 1,300 rare species that do not exist anywhere else in the world. But they are being destroyed by the massive volumes of industrial effluent which pours into the lake everyday. Even where law existed, the government did not have the power to enforce them. Most industries simply ignore the regulations. The Mediterranean Sea occupies 1% of the world’s water surface. But it is the dumping ground for 50% of all marine pollution. Almost 16 countries regularly throw industrial wastes a few miles off shore.

Water is free to everyone. A few years ago people thought that the supply of clean water in the world was limitless. Today, many water supplies have been ruined by pollution and sewage. Clean water is now scarce, and we are at last beginning to respect this precious source. We should do something now.

1. According to the writer, one environmental problem in the world today is ________ .

A. acid rain B. industrial pollution. C. safe water shortage. D. population explosion .

2. Many sources of water are not drinkable because of _______ .

A. acid rain. B. industrial pollution. C. garbage D. all A, B, C, are correct

3. What is serious problem of Lake Baikal in Russia?

A. It contains a rich variety of animals and plants.

B. It is polluted by massive volumes of industrial wastes discharged into it .

C. It has 1,300 rare species that do not exist anywhere else in the world .

D. The government did not have the power to enforce laws and regulations.

4. How many countries throw industrial waste into the Mediterranean Sea regularly?

A. nearly 16 B. exactly 16. C. exactly 15 D. less than 15.

5. What is the message to the reader?

A. We should take action to protect our water resources.

B. We should take all water resources into account.

C. We should limit the use of water resources.

D. We should encourage people to use safe water.

30 tháng 9 2018

1. I recently visited the school where i used to studying eleven years ago
A B C D => study
2. I am going to have my bike repair next week
A B C D => repaired
3. The car makes in Japan is very expensive
A B C D => made
4. Laura asked where the post office is and i answered it was next to the bank
A B C D => was
5. Your brother realy likes watching television, doesn't he?
A B C D

30 tháng 9 2018

1. I recently visited the school where i used to studying=> study eleven years ago
A B C D
2. I am going to have my bike repair=> repaired next week
A B C D
3. The car makes=> made in Japan is very expensive
A B C D
4. Laura asked where the post office is=> was and i answered it was next to the bank
A B C D

12 tháng 4 2018

Tìm lỗi sai và sửa lại cho đúng.

1. (A)The number of (B)time he spends (C)gardening (D)is incraesing => is being increased every day.

2. It would be (A)both noticed and (B)appreciating=> appreciated if you could finish (C)the workbefore you (D)leave.

3. (A)The suits were (B)hanged in the closet (C)when=> where they (D)were returnted from the cleaners.

4. In (A)that age =>the age of computer, (B)it is difficult to imagine how tedious (C)the work of accountants and clerks must (D)have been in the past.

5. Most (A)country music songs are (B)deeply personal and (C)deal with themes of love, (D)lovely=>loneliness and separation.

2 tháng 9 2018

1. Getting=) get

2. Than =) to

3. To go=) going

4. Stopping=) to stop

5. Following=) follow

6. Money enough=) enough money

2 tháng 9 2018

7. Gets=) get

8. Leaving =) to leave

9. Exciting=) excited

Read the following passage then choose the best option (A, B, C or D) to fill in the blank. WHALES Whales are (1)......... They breathe air like us. They rise to the surface (2)........... the water to breathe. They live in the oceans of the world. There are many (3)......... kinds of whales. Some are the killer whale, humpback whale, sperm whale and gray whale. They are some of the largest animals. The largest whale is the blue whale. It can grow to be a hundred...
Đọc tiếp

Read the following passage then choose the best option (A, B, C or D) to fill in

the blank.

WHALES

Whales are (1)......... They breathe air like us. They rise to the surface

(2)........... the water to breathe. They live in the oceans of the world.

There are many (3)......... kinds of whales. Some are the killer whale,

humpback whale, sperm whale and gray whale. They are some of the largest

animals. The largest whale is the blue whale. It can grow to be a hundred feet

(4)......... and weigh as much as 15 elephants. It is (5)......... animal on Earth.

Whales leap out of the water. They also dive and roll. Whales dive

(6).............. food. Some whales can dive more (7).......... a mile down!

We can (8)........... whales in the zoo, public aquariums, and entertainment

parks. These whales live in large glass tanks. They learn things very (9)...........

Many people train them to (10)............ wit ball, leap, and dive down deep for

certain objects.

1. A. dogs B. deer C. crocodiles D. mammals

2. A. on B. of C. in D. from

3. A. difference B. long C. tall D. different

4. A. long B. white C. short D. small

5. A. largest B. the largest C. larger D. more large

6. A. get B. getting C. to get D. gets

7. A. the B. to C. than D. from

8. A. hear B. see C. smell D. bring

9. A. easy B. easily C. normal D. different

10. A. drive B. watch C. do D. play

3
22 tháng 3 2017

Read the following passage then choose the best option (A, B, C or D) to fillin

the blank.

WHALES

Whales are (1)......... They breathe air like us. They rise to the surface

(2)........... the water to breathe. They live in the oceans of the world.

There are many (3)......... kinds of whales. Some are the killer whale,

humpback whale, sperm whale and gray whale. They are some of the largest

animals. The largest whale is the blue whale. It can grow to be a hundred feet

(4)......... and weigh as much as 15 elephants. It is (5)......... animal on Earth.

Whales leap out of the water. They also dive and roll. Whales dive

(6).............. food. Some whales can dive more (7).......... a mile down!

We can (8)........... whales in the zoo, public aquariums, and entertainment

parks. These whales live in large glass tanks. They learn things very (9)...........

Many people train them to (10)............ wit ball, leap, and dive down deep for

certain objects.

1. A. dogs B. deer C. crocodiles D. mammals

2. A. on B. of C. in D. from

3. A. difference B. long C. tall D. different

4. A. long B. white C. short D. small

5. A. largest B. the largest C. larger D. more large

6. A. get B. getting C. to get D. gets

7. A. the B. to C. than D. from

8. A. hear B. see C. smell D. bring

9. A. easy B. easily C. normal D. different

10. A. drive B. watch C. do D. play

22 tháng 3 2017

1.D

2. B

3. D

4. A

5.B

6.C

7. C

8.B

9.B

10.D

I. Tìm lỗi sai và sửa: 1. You will be gave a present when you go to the party next Saturday. A B C D 2. It is unhealthily to live in many of the world’s cities. A B C D 3. We began the meeting by a discussion about recycling. A B C D 4. Miss...
Đọc tiếp

I. Tìm lỗi sai và sửa:

1. You will be gave a present when you go to the party next Saturday.
A B C D

2. It is unhealthily to live in many of the world’s cities.
A B C D

3. We began the meeting by a discussion about recycling.
A B C D

4. Miss Blake is one of the represents from Friends of the Earth.
A B C D

5. The project will be show to the public when it is finished.
A B C D

6. We must act now before it is too late doing anything about the problem.
A B C D

7. Can’t we deal with this now instead of wait until tomorrow?
A B C D

8. Mixture the flour with the eggs and butter.
A B C D

9. The govermment wants everyone to recycle 25% of their household wasting.
A B C D

10. You ought to improving your French before going to work in Paris.
A B C D

11. Please contact with me if you have any questions.
A B C D

12. They are trying to stop the reused of needles by addicts.
A B C D

13. The shop promised to keep the goods for me if I took a deposit.
A B C D

14. It is danger for people to do their shopping in the city center.
A B C D

15. Keep the cheeses freshly by wrapping each one individually.
A B C D

16. Instead for reusing plastic bags, we shouldn’t use them at all.
A B C D

17. We are looking forward to see you in April.
A B C D

18. We can make vegetable matter to compost and fertilize our field.

A B C D

II. Choose the word that is pronounced differently from the others:

1. A. mash B. scatter C. package D. metal

2. A. mesh B. press C. melt D. refill

3. A. those B. clothes C. shopping D. envelope

4. A. down B. throw C. nowadays D. how

5. A. fields B. plants C. trees D. newspapers

6. A. bag B. sandal C. waste D. matter

7. A. mix B. pipe C. deposit D. refill

8. A. dung B. difficult C. natural D. mixture

9. A. reader B. heavy C. clean D. mean

10. A. reused B. returned C. mashed D. refilled

11. A. glassware B. shade C. paper D. waste

12. A. fertilizer B. water C. paper D. together

13. A. cloth B. compost C. deposit D. mosquito

14. A. library B. recycle C. family D. easy

15. A. wait B. away C. wrap D. with

III. Reading comprehension:

A. Read and choose the best answer among A, B, C or D:

Ba’s class has a (1)……….on waste paper. His friends are so (2) …….to learn that every day throughout the world, millions of newspapers and paper bags are screwed and (3)……. away. And people are collecting waste paper and(4)………. it. Making paper(5) ……. a lot of trees and labor. Now, if people recycle(6)…….paper they can save(7)……. and money. Especially, people can save the natural (8)……… For every ton of (9) ………… newsprints, ten trees can be saved. The more paper people save, the (10) …….…… natural resources are preserved.

1. a. discuss b. discussion c. discussing d. to discuss

2. a. surprised b. surprising c. surprise d. to surprise

3. a. put b. cut c. thrown d. brought

4. a. recycle b. recycled c. to recycle d. recycling

5. a. requires b. has c. gets d. cuts

6. a. waste b. new c. save d. small

7. a. money b. people c. labor d. work

8. a. beauty b. paper c. resources d. animals

9. a. recycling b. recycled c. recycle d. to recycle

10. a. much b. most c. more d. many

B. Read and choose True, False or Not information:

Yesterday, when I was riding along a busy street, I saw an accident. A woman was knocked down when she cross the street at the zebra crossing. Many people stopped to offer their help. A policeman arrived and asked a young man to telephone for an ambulance. While waiting for the ambulance, the policeman and some people tried to stop the bleeding. They used a handkerchief to cover the wound, then put the pressure on it and held it tight. They tried to talk to her in order to keep her awake. After about ten minutes, the ambulance arrived and the woman was taken to the hospital.

1. An accident happened on the busy street yesterday. ……….

2. A policeman arrived and telephoned ……….

3. A woman had a bad cut on her head and it bled very badly. ……….

4. They kept her awake by talking to her until she was taken to the hospital by an ambulance after about ten minutes. ……….

IV. Write:

1. They will show the time machine to the public when they finish it.
The time machine ....................................................................................................

2. Keeping the environment clean is very important.
It’s ............................................................................................................................

3. To see this film is very boring.
It’s ............................................................................................................................

4. To understand these lessons is not easy.
It’s ............................................................................................................................

5. People recycle old car tires to make shoes and sandals.
Old car tires .............................................................................................................

6. People cut the bottles into small pieces.
The bottles ...............................................................................................................

7. People mix the small pieces with certain chemicals.
The small pieces ......................................................................................................

8. People heat the mixture into pasty liquid.
The mixture .............................................................................................................

9. People blow the liquid into new bottles.
The liquid .................................................................................................................

10. People recycle used plastic things to save natural resources.
Used ..........................................................................................................................

11. We are going to clean the environment. We are ready.
We are ......................................................................................................................

12. Keeping people from littering is very difficult.
It is ............................................................................................................................

13. She must empty he kitchen garbage. She is not pleased.
She is ........................................................................................................................

14. Being able to live in a clean environment is lucky.
It is ............................................................................................................................

15. They hear about the plan to collect the used boxes. They are surprised.
They are ...................................................................................................................

Thanks nhiều!!!

2
4 tháng 4 2020

I. Tìm lỗi sai và sửa:

1. You will be gave => given a present when you go to the party next Saturday.
A B C D

2. It is unhealthily => unhealthy to live in many of the world’s cities.
A B C D

3. We began the meeting by => with a discussion about recycling.
A B C D

4. Miss Blake is one of the represents => representatives from Friends of the Earth.
A B C D

5. The project will be show => shown to the public when it is finished.
A B C D

6. We must act now before it is too late doing => to do anything about the problem.
A B C D

7. Can’t we deal with this now instead of wait => waiting until tomorrow?
A B C D

8. Mixture => Mixed the flour with the eggs and butter.
A B C D

9. The govermment wants everyone to recycle 25% of their household wasting. => to wast
A B C D

10. You ought to improving => improve your French before going to work in Paris.
A B C D

11. Please contact with me if you have any => some questions.
A B C D

12. They are trying to stop the reused => reuse of needles by addicts.
A B C D

13. The shop promised to keep the goods for me if I took => made a deposit.
A B C D

14. It is danger => dangerous for people to do their shopping in the city center.
A B C D

15. Keep the cheeses freshly => fresh by wrapping each one individually.
A B C D

16. Instead for=> of reusing plastic bags, we shouldn’t use them at all.
A B C D

17. We are looking forward to see => seeing you in April.
A B C D

18. We can make => use vegetable matter to compost and fertilize our field.

A B C D

III. Reading comprehension:

A. Read and choose the best answer among A, B, C or D:

Ba’s class has a (1)……….on waste paper. His friends are so (2) …….to learn that every day throughout the world, millions of newspapers and paper bags are screwed and (3)……. away. And people are collecting waste paper and(4)………. it. Making paper(5) ……. a lot of trees and labor. Now, if people recycle(6)…….paper they can save(7)……. and money. Especially, people can save the natural (8)……… For every ton of (9) ………… newsprints, ten trees can be saved. The more paper people save, the (10) …….…… natural resources are preserved.

1. a. discuss b. discussion c. discussing d. to discuss

2. a. surprised b. surprising c. surprise d. to surprise

3. a. put b. cut c. thrown d. brought

4. a. recycle b. recycled c. to recycle d. recycling

5. a. requires b. has c. gets d. cuts

6. a. waste b. new c. save d. small

7. a. money b. people c. labor d. work

8. a. beauty b. paper c. resources d. animals

9. a. recycling b. recycled c. recycle d. to recycle

10. a. much b. most c. more d. many

B. Read and choose True, False or Not information:

Yesterday, when I was riding along a busy street, I saw an accident. A woman was knocked down when she cross the street at the zebra crossing. Many people stopped to offer their help. A policeman arrived and asked a young man to telephone for an ambulance. While waiting for the ambulance, the policeman and some people tried to stop the bleeding. They used a handkerchief to cover the wound, then put the pressure on it and held it tight. They tried to talk to her in order to keep her awake. After about ten minutes, the ambulance arrived and the woman was taken to the hospital.

1. An accident happened on the busy street yesterday. ……F….

2. A policeman arrived and telephoned …F…….

3. A woman had a bad cut on her head and it bled very badly. ……T….

4. They kept her awake by talking to her until she was taken to the hospital by an ambulance after about ten minutes. …T…….

IV. Write:

1. They will show the time machine to the public when they finish it.
The time machine ....WILL BE SHOWN TO THE PUBLIC WHEN IT IS FINISHED........

2. Keeping the environment clean is very important.
It’s ...........VERY IMPORTANT TO KEEP THE ENVIRONMENT CLEAN

3. To see this film is very boring.
It’s ...........VERY BORING TO SEE THIS FLIM

4. To understand these lessons is not easy.
It’s .......NOT EASY TO UNDERSTAND THESE LESSONS

5. People recycle old car tires to make shoes and sandals.
Old car tires ....ARE RECYCLED TO MAKE SHOES AND SANDALS

6. People cut the bottles into small pieces.
The bottles .........ARE CUT INTO SMALL PIECES

7. People mix the small pieces with certain chemicals.
The small pieces .......ARE MIXED WITH CERTAIN CHEMISCALS

8. People heat the mixture into pasty liquid.
The mixture ..............IS HEATED INTO PASTY LIQUID

9. People blow the liquid into new bottles.
The liquid ..........IS BLOWN INTO NEW BOTTLES

10. People recycle used plastic things to save natural resources.
Used .........PLASTIC THINGS ARE RECYCLED TO SAVE NATURAL SESOURCES

11. We are going to clean the environment. We are ready.
We are ...........READY TO CLEAN THE ENVIRONMENT

12. Keeping people from littering is very difficult.
It is ...........VERY DIFFICULT TO KEEP PEOPLE FROM LITTLEING

13. She must empty he kitchen garbage. She is not pleased.
She is .........NOT PLEASED TO EMPTY THE KITCHEN GARBAGE

14. Being able to live in a clean environment is lucky.
It is ..........LUCKY TO BE ABLE TO LIVE IN A CLEAN ENVIRONMENT

15. They hear about the plan to collect the used boxes. They are surprised.

They are ...SURPRISED TO HEAR ABOUT THE PLAN TO COLLECT THE USED BOXES

4 tháng 4 2020

Do thiếu phần gạch chân nên bài 2 mọi người không phải làm đâu ạ. Cảm ơn ạ!!