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Dựa vào ngữ nghĩa của câu, cụm từ turn the music too loud (mở nhạc lớn)
Đáp án: You mustn’t turn the music too loud.
Tạm dịch: Bạn không được bật nhạc quá to.

Dựa vào ngữ nghĩa của câu, cụm từ tidy up (dọn dẹp)
Đáp án: You must tidy up your room.
Tạm dịch: Bạn phải dọn dẹp phòng của bạn.

: Mustn’t: hàm ý bạn không được làm gì (cấm làm gì)
Don’t have to lại có nghĩa là không cần thiết, tức là bạn có “toàn quyền” quyết định xem có làm việc đó hay không.
Trong trường hợp này hành động lái xe đến được người nói cho rằng không quan trọng, mang tính ý kiến chủ quan => dùng don’t have to
Đáp án: You don’t have to drive there. You can take the train.
Tạm dịch: Bạn không cần phải lái xe đến đó. Bạn có thể đi tàu.

- "must" được dùng để đề cập đến một việc hay một nghĩa vụ cần thiết phải làm do cá nhân người nói nghĩ hay đồng ý là đúng và quan trọng.
- "have to" (phải) được dùng để đề cập đến một việc hay một nghĩa vụ cần thiết phải làm do tác động bên ngoài.
Trường hợp này hiệu lệnh dừng lại là một nghĩa vụ cần thiết phải tuân theo (tín hiệu giao thông) => dùng “have to”
Đáp án: The sign says “Stop”. You have to stop here.
Tạm dịch: Biển báo thông báo "Dừng lại". Bạn phải dừng lại ở đây.
Choose the best answer. (Em hãy kéo, thả đáp án đúng vào chỗ trống)
You do more exercise to stay fit.

Giải thích:
- Dựa vào ngữ nghĩa của câu, cụm từ do exercise (tập thể dục) và stay fit (giữ dáng)
Đáp án: You must do more exercise to stay fit.
Tạm dịch: Bạn phải tập thể dục nhiều hơn để giữ dáng.

Dựa vào ngữ nghĩa của câu, cụm từ make noise (tạo ra tiếng ồn)
Đáp án: It’s late. You mustn’t make so much noise.
Tạm dịch: Muộn rồi. Bạn không được tạo ra quá nhiều tiếng ồn.

- "must" được dùng để đề cập đến một việc hay một nghĩa vụ cần thiết phải làm do cá nhân người nói nghĩ hay đồng ý là đúng và quan trọng.
- "have to" (phải) được dùng để đề cập đến một việc hay một nghĩa vụ cần thiết phải làm do tác động bên ngoài.
Trường hợp này việc rời đi là do hoàn cảnh bắt buộc, nếu không sẽ bị lỡ tàu
=> dùng “have to”
Đáp án: I have to go. Otherwise I’ll miss the train.
Tạm dịch: Tôi phải đi Nếu không tôi sẽ lỡ tàu.

Giải thích: Dựa vào ngữ nghĩa của câu
Đáp án: We must be home by 9.00 o’clock. The film starts at 9.15.
Tạm dịch: Chúng tôi phải về nhà trước 9 giờ. Bộ phim bắt đầu lúc 9.15.

2.Give correct form of Word:
1, What is the (long) .............LENGTH........................... of this river ?
2, I want to (long) ........LENGTHEN................... my trousers . They are too short.
3, What is the (wide) ............WIDTH.......... of your house ?
4, She needs (wide) .......TO WIDEN............. her knowledge.
5, Mr Quang spent his (child) ...........CHILDHOOD................... in Cambodia.
6, David Beckham is very (fame) .........FAMOUS................
7, He is very rich due to his (fame) ..........FAME...........
8, This book is very (interest) ..............INTERESTING......................
9, Ann is interested in (collect) ..........COLLECTING................... coins.
10, She has a big (collect) ......COLLECTION...................... of stamps.
11, She becomes a famous (collect) ........COLLECTOR.......................
12, The door was (lock) ............UNLOCKED.................... you could come in.
13, She is a (beauty) .........BEAUTIFUL.............. girl she also sings (beauty) ......BEAUTIFULLY.................
14, Don’t use that car . It’s (safe) ..............UNSAFE................
15, You should pay attention to the (safe) .......SAFETY.............. in the kitchen.
16, She drives car (safe) ...........UNSAFELY............ .She had many accidents.
17, They are (different) ........DIFFERENT...... . Their (different) ......DIFFERENCE........... can be realized easily.
18, Trung and his brother like (act) ........ACTIVE.................. movies very much.
19, We held many (act) .............ACTIVITIES....................on March 26th.
20, Michael Faraday made a lot of (invent) .......INVENTIONS....... He was a great (invent) .....INVENTOR.....
21, Those clothes are (suit) ........SUITABLE........... for cold weather.
22,This river is very (danger) ......DANGEROUS..................... for swimmers.
23, She drives very (danger) .........DANGEROUSLY........................
24, Using this (equip) ..........EQUIPMENT....................... you can finish the work.
25, I can’t find my book . It (appear) ........DISAPPEARED......................
26, The (important) ............IMPORTANCE...................... of the project made me tense.
27,TV is one of the most popular means of (entertain) .......ENTERTAINMENT....................
28, The (flower) ..........FLOWERS................ you sent me were (beauty) .........BEAUTIFUL...................
29, He is a famous (science) .........SCIENTIST.................
30, He drives more (slow) ..........SLOWLY........................ than his friends do .
31, Learning English is very (use) .......USEFUL..................
32, Do exercise will make you more (health) ..................HEALTHY............
33,She feels very (happy)........UNHAPPY..................because she doesn’t have any (friend) ........FRIENDS.............. in this new town.
34,Today is a (beauty) ........BEAUTIFUL.................... day .It is clear and (sun) ....SUNNY...................
35, Do you know the name of the new (study) .........STUDENT.............. in our class?
36, That is the (cheap) .....CHEAPEST............. one we have got.
37, What an (amaze) ..............AMAZING...................... building!
38, Thank you very much for a (delight) ...........DELIGHTED.............. evening.
39, His elder brother works in a factory . He is a (work) ..........WORKER...................
40, Would you like to go out tonight ? There is a very (interest) .......INTERESTING................... movie on at the Fansland cinema.
41, The (shelf) .......SHELVES............... on the left have dictionaries in different languages.
42, Words in a dictionary are in (alphabet) ................ALPHABETICAL ORDER...................
43, Math is a very (importance) .............IMPORTANT................ subject at school.
44, The (library) .............LIBRARIAN.................. can help you find books easily.
45,Football is one of the popular after – school (active) ..........ACTIVITIES...................
46,In Electronics ,we learn to repair (house) ...............HOUSEHOLD.................. appliances.
47, Nam is very (interest) ............INTERESTED............................. in computer.
48, The (energy) ........ENERGETIC...................... students often play soccer or basketball.
49, Walking in the rain gives me (please) ......PLEASURE....................
50, Ba will be a (fame) ............FAMOUS.................. artist one day.
51, Nam is not very (sport) .........SPORTY..................... .He never plays games.
52, If you want to have a (health) .............HEALTHY.................. body. You should play sports.
53, In most countries , there are organizations especially for (teen) .........TEENAGERS.............
54, There are many kinds of (entertain) .........ENTERTAINMENT.............. for young people.
55, More and more young people want a university (educate) .........EDUCATION.....................
56, We are rehearsing a play for the school anniversary (celebrate) ..........CELEBRATION................
57, The most popular (act) .............ACTIVITY................... at recess is talking.
58, When I go to the library ,I sit and read about (wonder) ..............WONDERFUL............ things.
59, Is your sister a (teach).......TEACHER......................?
60, My brother is a (study) ..........STUDENT................. at Viet Nam National University.
61, That (art) ...............ARTIST.................. paints beautiful pictures.
62, Ask the (library) .......LIBRARIAN................... if you can borrow this book.
63, That (music) .......MUSICIAN..................... plays a lot of different instruments.
64, Thu’s brother is a (piano) .........PIANIST............ He plays it very (good) .............WELL...........
65, If the machine goes wrong , tell the (engine) .........ENGINEER.......................
66,We have a (garden) ...........GARDENER......................... who comes twice a week.
67, Phone the (electric) ..........ELECTRICIAN.................... if the lights don’t work.
68,Miss Quyen is a (journal) ...........JOURNALIST....................... She travels a lot.
69, This map was very (use) ...USEFUL...... for our holiday because we know here very well.
70, What a (love) ..........LOVELY.................... dress! Did you make it yourself?
71, Do you know a good (decorate) .........DECORATOR.................. to decorate my house?
72,Go straight ahead and take the (two) .....SECOND......... on the left.
73, Mrs Oanh’s daughter is having a (medicine) ..........MEDICAL.................... check –up.
74,We need to know your (weigh).............WEIGHT........................, Minh.
75,An has a toothache .it’s very (pain) ........PAINFUL..................
76,Catching the common cold is (please) .......UNPLEASANT................ for everybody.
77, Don’t worry ! Your cold will last for a few days and then (appear).......DISAPPEAR...............
78, We must remember to eat (sense) .........SENSIBLY.....................
79, Then Hoa (hot) ..........HEATED.................. a pan and stir – fried the beef.
80, Sugar is not an (health) ........HEALTHY............. food because we need it to live.
81. The nurse wanted to know Nga’ (high) ......HEIGHT............ and (weigh) ..........WEIGHT...............
82. Mr Hung has a very (pain) .............PAINFUL............................. tooth.
83. My father stopped (smoke) ..........SMOKING................... 5 years ago.
84. He doesn’t have many (relate)..........RELATIVES............................ in Ha Noi.
85. Is Viet Nam (large) ........LARGER............... than Korea?
86. There are nineteen (class) ...........CLASSROOMS............... in our school.
87. That is (comfortable)........THE MOST COMFORTABLE................... armchair I have.
88. That movie is (boring) ..........MORE BORING................... than this one.
89. Nhan has a pen pal in France and they write to each other (regular) ..........REGULARLY.........
90. I have (little) .........LESS................. time to play than my friend.
91. We take part in many different (act) .............ACTIVITIES.......................
92. Who is (young) .................THE YOUNGEST........................... teacher in your school?
93. Some of the (invent) .......INVENTOR................ of computer games are as young as 14 or 15
94. In the countryside, people often know all the people in their (neighbor) ....NEIGHBORHOOD......
95. Videos are also very useful in (educate)............EDUCATION....
1, What is the (long) LENGTH of this river ?
2, I want to (long) LENGTHEN my trousers . They are too short.
3, What is the (wide) WIDTH of your house ?
4, She needs (wide)TO WIDEN her knowledge.
5, Mr Quang spent his (child) CHILDHOOD in Cambodia.
6, David Beckham is very (fame) FAMOUS
7, He is very rich due to his (fame) FAME
8, This book is very (interest)INTERESTING
9, Ann is interested in (collect) COLLECTING coins.
10, She has a big (collect)COLLECTION of stamps.
11, She becomes a famous (collect)COLLECTOR
12, The door was (lock)UNLOCKED you could come in.
13, She is a (beauty)BEAUTIFUL girl she also sings (beauty) BEAUTIFULLY
14, Don’t use that car . It’s (safe) UNSAFE
15, You should pay attention to the (safe)SAFETY in the kitchen.
16, She drives car (safe) UNSAFELY .She had many accidents.
17, They are (different) DIFFERENT. Their (different) DIFFERENCE can be realized easily.
18, Trung and his brother like (act) ACTIVE movies very much.
19, We held many (act) ACTIVITIES on March 26th.
20, Michael Faraday made a lot of (invent) INVENTIONS He was a great (invent) INVENTOR
21, Those clothes are (suit) ..SUITABLE.. for cold weather.
22,This river is very (danger) ....DANGEROUS.... for swimmers.
23, She drives very (danger) ....DANGEROUSLY.....
24, Using this (equip) ....EQUIPMENT..... you can finish the work.
25, I can’t find my book . It (appear) .....DISAPPEARED....
26, The (important) ...IMPORTANCE... of the project made me tense.
27,TV is one of the most popular means of (entertain) .....ENTERTAINMENT.....
28, The (flower) ...FLOWERS....... you sent me were (beauty) ......BEAUTIFUL.......
29, He is a famous (science) .......SCIENTIST......
30, He drives more (slow) ....SLOWLY........ than his friends do .
31, Learning English is very (use) ...USEFUL......
32, Do exercise will make you more (health) ..................HEALTHY............
33,She feels very (happy)........UNHAPPY..................because she doesn’t have any (friend) ........FRIENDS.............. in this new town.
34,Today is a (beauty) ........BEAUTIFUL.................... day .It is clear and (sun) ....SUNNY...................
35, Do you know the name of the new (study) .........STUDENT.............. in our class?
36, That is the (cheap) .....CHEAPEST............. one we have got.
37, What an (amaze) ..............AMAZING...................... building!
38, Thank you very much for a (delight) ...........DELIGHTED.............. evening.
39, His elder brother works in a factory . He is a (work) ..........WORKER...................
40, Would you like to go out tonight ? There is a very (interest) .......INTERESTING................... movie on at the Fansland cinema.
41, The (shelf) .......SHELVES............... on the left have dictionaries in different languages.
42, Words in a dictionary are in (alphabet) ................ALPHABETICAL ORDER...................
43, Math is a very (importance) .............IMPORTANT................ subject at school.
44, The (library) .............LIBRARIAN.................. can help you find books easily.
45,Football is one of the popular after – school (active) ..........ACTIVITIES...................
46,In Electronics ,we learn to repair (house) ...............HOUSEHOLD.................. appliances.
47, Nam is very (interest) ............INTERESTED............................. in computer.
48, The (energy) ........ENERGETIC...................... students often play soccer or basketball.
49, Walking in the rain gives me (please) ......PLEASURE....................
50, Ba will be a (fame) ............FAMOUS.................. artist one day.
51, Nam is not very (sport) .........SPORTY..................... .He never plays games.
52, If you want to have a (health) .............HEALTHY.................. body. You should play sports.
53, In most countries , there are organizations especially for (teen) .........TEENAGERS.............
54, There are many kinds of (entertain) .........ENTERTAINMENT.............. for young people.
55, More and more young people want a university (educate) .........EDUCATION.....................
56, We are rehearsing a play for the school anniversary (celebrate) ..........CELEBRATION................
57, The most popular (act) .............ACTIVITY................... at recess is talking.
58, When I go to the library ,I sit and read about (wonder) ..............WONDERFUL............ things.
59, Is your sister a (teach).......TEACHER......................?
60, My brother is a (study) ..........STUDENT................. at Viet Nam National University.
61, That (art) ...............ARTIST.................. paints beautiful pictures.
62, Ask the (library) .......LIBRARIAN................... if you can borrow this book.
63, That (music) .......MUSICIAN..................... plays a lot of different instruments.
64, Thu’s brother is a (piano) .........PIANIST............ He plays it very (good) .............WELL...........
65, If the machine goes wrong , tell the (engine) .........ENGINEER.......................
66,We have a (garden) ...........GARDENER......................... who comes twice a week.
67, Phone the (electric) ..........ELECTRICIAN.................... if the lights don’t work.
68,Miss Quyen is a (journal) ...........JOURNALIST....................... She travels a lot.
69, This map was very (use) ...USEFUL...... for our holiday because we know here very well.
70, What a (love) ..........LOVELY.................... dress! Did you make it yourself?
71, Do you know a good (decorate) .........DECORATOR.................. to decorate my house?
72,Go straight ahead and take the (two) .....SECOND......... on the left.
73, Mrs Oanh’s daughter is having a (medicine) ..........MEDICAL.................... check –up.
74,We need to know your (weigh).............WEIGHT........................, Minh.
75,An has a toothache .it’s very (pain) ........PAINFUL..................
76,Catching the common cold is (please) .......UNPLEASANT................ for everybody.
77, Don’t worry ! Your cold will last for a few days and then (appear).......DISAPPEAR...............
78, We must remember to eat (sense) .........SENSIBLY.....................
79, Then Hoa (hot) ..........HEATED.................. a pan and stir – fried the beef.
80, Sugar is not an (health) ........HEALTHY............. food because we need it to live.
81. The nurse wanted to know Nga’ (high) ......HEIGHT............ and (weigh) ..........WEIGHT...............
82. Mr Hung has a very (pain) .............PAINFUL............................. tooth.
83. My father stopped (smoke) ..........SMOKING................... 5 years ago.
84. He doesn’t have many (relate)..........RELATIVES............................ in Ha Noi.
85. Is Viet Nam (large) ........LARGER............... than Korea?
86. There are nineteen (class) ...........CLASSROOMS............... in our school.
87. That is (comfortable)........THE MOST COMFORTABLE................... armchair I have.
88. That movie is (boring) ..........MORE BORING................... than this one.
89. Nhan has a pen pal in France and they write to each other (regular) ..........REGULARLY.........
90. I have (little) .........LESS................. time to play than my friend.
91. We take part in many different (act) .............ACTIVITIES.......................
92. Who is (young) .................THE YOUNGEST........................... teacher in your school?
93. Some of the (invent) .......INVENTOR................ of computer games are as young as 14 or 15
94. In the countryside, people often know all the people in their (neighbor) ....NEIGHBORHOOD......
95. Videos are also very useful in (educate)............EDUCATION.............
96. He is sure to have an accident because he drives very (care) .........CARELESSLY..................
97. When she was young Mrs Nhung wanted to be an (act) ..........ACTRESS.................
98. Edison’s most famous (invent) ............INVENTION.............. was the electric bulb.
99. He looks very (fun) ...........FUNNY............... in that hat.
100. Seeing all that food makes me very (hunger) HUNGRY
101. There are about 200 (employ)employees in this company.
102. This lovely apartment has two bedrooms and it is (furnish) FURNISHED
103. Mai Anh is (good)BETTER at Math than me.
104. I have English ,Math and (physic) PHYSICAL education on Thursdays.
105. I can...
Mustn’t: hàm ý bạn không được làm gì hoặc không có lựa chọn nào khác
Don’t have to lại có nghĩa là không cần thiết, tức là bạn có “toàn quyền” quyết định xem có làm việc đó hay không.
Trong trường hợp này hành động nói cho mọi người là không được phép (theo ý kiến chủ quan của người nói) => dùng mustn’t
Đáp án: You mustn’t tell anyone. It is a big secret.
Tạm dịch: Bạn không được nói cho ai biết. Đó là một bí mật lớn.