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8 tháng 1 2018

➩Today , the scientists in the world (do) are doing research on Aids.

Tick nhesss leu

8 tháng 1 2018

Today , the scientists in the world do research on Aids

8 tháng 1 2018

➜The scientists in the world are taking research on AIDS.

Bạn cần học cách xác định loại từ cần điền nhé, chứ k bao giờ ngta điền today vào chỗ đó đâu !

Tick nhé haha

3 tháng 4 2017

Today

15 tháng 12 2018

1.His brother (finish).........finished................hight school 6 years ago

2.The farmer in my village often (begin).........begins...............their work very early in the morning

3.Today,the scientists in the world (do)...........do........research on Aids

4.We (leave)...........will leave..............for Ha Noi on the earliest plane tomorrow

5.When we were kinds,we (not understand)........didn't understand............... the importance of choosing a career

6.You'd better (not driver).........not drive............too fast

7.Thank you for (invite)............inviting............me to your birthday party

8.After (have)...........having...........breakfast,we go to school

9.Be quick or we (miss)........will miss....................the last bus

10.I need (repaint)......to repaint................my living room

15 tháng 12 2018

thanks bạn nhavui

27 tháng 2 2017

How many zeros are there in one million?

Khai studies six hours a day, six days a week. He is definitely not lazy at all.

The scientists in the world are doing research on AIDS.

May I help you? – I want a liter of cow milk, please.

How you often help your parents with the housework?

Last month, her mother taught her how to use a sewing machine.

You can play whatever games you like in summer holiday.

I know. You are fed up with this problem.

That woman is very pleasant, but her younger sister is a little unfriendly.

Do you live near your parents? – No, I live far from them.

Who do you often go to play football with in the afternoon?

Henry has a lot of pain in his head.

Linda is better at math than me.

8 tháng 4 2017

tra loi cau hoi mot di

11 tháng 8 2017

1.Read the following passage, and then tick the correct answers:true(T) or false(F).

The population of the world has increased more in modern times than in all other ages of history. The world's population was about 500 million in 1650. It doubled in the period from 1650 to 1850. In 1986, the population was more than three billion. Estimates based on research by the United Nations in the same year showed that it would be more than 7.5 billion by 2020.

True False

1. The world's population increase in modern times has been greater than ever before. -----True -----

2. The world's population was over a billion in 1850. -----True -----

3. The United Nations carried out the research in 1850. -----False -----

4. The world's population in 1986 was three times as big as that in 1850. ----- True -----

5. The world's population would be more than seven and a half billion by 2020. ----- True-----

11 tháng 8 2017

Bài Làm .

1.Read the following passage, and then tick the correct answers:true(T) or false(F).

The population of the world has increased more in modern times than in all other ages of history. The world's population was about 500 million in 1650. It doubled in the period from 1650 to 1850. In 1986, the population was more than three billion. Estimates based on research by the United Nations in the same year showed that it would be more than 7.5 billion by 2020.

True False

1. The world's population increase in modern times has been greater than ever before. -----True -----

2. The world's population was over a billion in 1850. -----True -----

3. The United Nations carried out the research in 1850. -----False -----

4. The world's population in 1986 was three times as big as that in 1850. ----- True -----

5. The world's population would be more than seven and a half billion by 2020. ----- True-----

22 tháng 8 2021

19/ People saw her driving a car near the bridge.

She was seen to drive a car near the bridge.

21/ Scientists began to carry out researches on AIDS in 1981.

Researches on AIDS began to be carried out by scientists in 1981

23/ Everybody believed that he had died of lung cancer.

It was believed that he had died of lung cancer.

24/ They hadn’t built the bridge when we first came here.

The bridge hadn't been built when we first came here.

26 tháng 2 2017

Try to show your work as much as possible.

How many zeros are there in one million?

Khai studies six hours a day, six days a week. He is definitely not lazy at all.

The scientists in the world are __doing___ research on AIDS.

May I help you? – I want a litter of cow milk, please.

How do you often help your parents __with__ the housework?

Last month, her mother taught her how to use a sewing __machine_____.

You can play whatever games you like in summer holiday.

I know. You are fed up __with__ this problem.

You have to work hard when you grow up.

That woman is very pleasant, but her younger sister is a little unfriendly.

Do you live near your parents? – No, I live __far_ from them.

Who do you often go to play football __with__ in the afternoon?

Henry has a lot of __pain__ in his head.

Linda is ___better___ at math than me.

13 tháng 10 2021

1. People can find gold everywhere on Earth.

Gold can be found everywhere on Earth

2. In the next century, the world will run out of oil.

In the next century, old will be ran out 

3. The volcano will affect the weather all over the world.

The weather all over the world will be affected by the volcano

4. Scientists should find the best solution to the problem of environmental pollution.

The best solution to the problem of environmental pollution should be found by scientists

5. A machine could do this work much more easily.

This work could be done much more easily by a machine

6. The police shouldn’t allow people to park here.

People should't be allowed to park here by the police

7. We have to pick up the fruit very early in the morning.

The fruit has to be picked up very early in the morning.

8. Someone must send this letter immediately.

This letter must be sent immediately.

9. You can find flowers in almost every part of the world.

FLowers can be found in almost every part of the world.

10. People may cook carrots or eat them raw.

Carrots may be cooked or eaten raw

11. You shouldn’t pronounce the “b” in “lamb”.

The "b"  in “lamb” shouldn't be pronounced 

12. Someone ought to wash these dirty dishes soon. 

These dirty dishes ought to be washed soon

13 tháng 10 2021

Cảm ơn bạn

Read the following passage and then answer the questions We send young people of different nationnalities on expeditions around the world. Our volunteers get the chance to work with local people to learn about different cultures There are ten expeditions every year. Each expedition lasts for ten weeks and takes 150 volunteers. They go to countries such as Chile, Namibia, Mongolia and Viet Nam.Some of our volunteers work with local people to provide important facilities, for example,...
Đọc tiếp

Read the following passage and then answer the questions

We send young people of different nationnalities on expeditions around the world. Our volunteers get the chance to work with local people to learn about different cultures

There are ten expeditions every year. Each expedition lasts for ten weeks and takes 150 volunteers.

They go to countries such as Chile, Namibia, Mongolia and Viet Nam.Some of our volunteers work with local people to provide important facilities, for example, building schools. Others work in national parks or help scientists to do environmental research

These adventurous, young people come from all over the world. To become a volunteer you have to be between 17 and 25; you have to speak some English and you also have to be enthusiastic, flexibleand hard-working members of a team

1. Who goes onexpeditions?

->...........................................................................................................................

2. How many expeditions are there every year?

->...........................................................................................................................

3. How long does each expedition last?

->...........................................................................................................................

4. Which language must we know to become a volunteer?

->...........................................................................................................................

5. What do the volunteers help the scientists?

->...........................................................................................................................

1
19 tháng 10 2018

1. Who goes on expeditions?

-> Young people of different nationnalities go on expeditions.

2. How many expeditions are there every year?

-> There are ten expeditions every year.

3. How long does each expedition last?

-> Each expedition lasts for ten weeks.

4. Which language must we know to become a volunteer?

-> We must know English to become a volunteer.

5. What do the volunteers help the scientists?

-> They help the scientists to do environmental research.