Choose the correct words.

1. You mustn't / don’t have to / don’t must cheat in exams.

2. If you need help, you should to / need / should talk to your teacher.

3. I’m not thirsty, so I shouldn’t / don’t need / needn't to stop and have a drink.

4. You mustn't / don’t need / don’t have to do this extra homework. It’s your choice.

5. We must / have / need arrive on time to school every day.

6. Rosie has / have / need to catch the next bus.

II. Chose the best option to complete the sentences.

1. Ngoc (likes/ loves/ hates/ enjoy) eating fast food because it’s not good for her health.

2. If you want to live long, you (should/ needn’t/ have to/ shouldn’t) eat much red meat.

3. Don’t read in bed (or/ and/ but/so) you’ll harm your eyes.

4. I (think/ find/ say/ tell) playing board games interesting because  I can play them with my friends.

5. Tokyo is one of the (best/ most/ more/ better) expensive cities in the world

6. Nga is (the best/ best/ better/ the better) student in my class.

7. I and my friends always (goes/ go/ is going/ are going) to school in time.

9. Her parents (grow/ grows/ is growing/ are growing) in the garden at the moment.

10. Is there a balcony in your flat? – No, (they isn’t/ they aren’t/ there isn’t/ there aren’t)

11. Summer is (hotter/ the hotter/ hottest/ the hottest) than spring.

12. My mother always (forget/ forgets/ is forgetting/ are forgetting) my birthday.

13. What (a/ the/ an/ this) beautiful bedroom, Hoa!

14. Good health is (best/ more/ most/ least) important than money.

15. How many brothers and sisters (are you having/ you have got/ do you got/ have you got)?

16.  Can I help you?- Yes, (I very like/ I likes/ I’d like/ I do like) a cup of coffee.

16. Her school is (bigger/ the bigger/ big/ the biggest) than mine.

18. I (come/ will come/ comes/ will comes) to visit Ho Chi Minh City next week

19. I like (read/ reading/ to reads/ reads) books every night.

20. Jim is two years (old/ elder/ older/ eldest) than Tom.

21. I’m much fatter than (she is/ her is/ she’s / she)

22. Her birthday is (in/on/at/from) Monday, June 1st

23. Where do you live? – I live (on/at/in/from) 16 Le Hong Phong street.

24. Please let Tom (go/ to go/ goes/ going) with you.

25. I (will having/ will have/ have/ has) a birthday party next Sunday.

26. Lan (won’t visit/ doesn’t visit/ not will visit/ won’t visits) her parents next weekend

27. (How long/  How much/ How often/ When) have you had your hobby?            -> For three years.

28. A: “I think model making is an expensive hobby.”         

            B: (You’re right/ Certainly/ No matter/ Not at all). It’s incredibly cheap.

29. Be careful not to drop it; it’s very (unique/ fragile/ difficult/ unusual).

30. I hope he’ll teach me (what/ where/ how/ when) to do eggshell carving.

Complete the sentences with should/ shouldn’t:

 1. ………………………. (You/ park) here.It’s not allowed.

 2. What ………………………. (I/ cook) for breakfast this morning?

 3. ………………………. (you/ wear) a raincoat. It’s raining outside.

 4. ………………………. (you/ smoke). It’s bad for you.

 5. ………………………. (we/ arrive) at the airport two hours before the flight. 6. ………………………. (I/ sent) now or later? 

7. Do you think ………………………. (I/ apply) for this job?

 8. ………………………. (I/ eat) any more cake. I’m putting on weight.

 9. This food is awful. ……………………… (we/ complain) to the manager. 

10. Which dress do you think ………………………. (I/ buy)? 

11. You salary is very low. ……………………….(you/ give) it up.

 12. Jane has a bad cold. ………………………. (she/ take) a rest. 

13. I sent the letter 2 days ago, so ………………………. (it/ arrive) by now. 

14. She drives everywhere. ………………………. (she/ walk) more. 

15. Peter and Mary are planning to get married. It’s a bad idea. ………………………. (they/ get) married.

Exercise 3: Combine these sentences, using “ adj + enough + (for) + to-inf ”. (Nối câu dùng “ adj  +  enough  +  (for)  +  to-inf”.) 

You shouldn’t  wear this coat in winter. It’s not warm enough. 

Don’t stand on that chair. It’s not strong enough. 

You can’t sleep in this bed. It’s not wide enough for you two. 

I couldn’t make coffee for everyone. There weren’t enough cups. 

He didn’t finish the examination. He didn’t have enough time.

III. Combine these sentences, using “ adj + enough + (for) + to-inf ”. (Nối câu dùng “ adj  +  

 1.You shouldn’t  wear this coat in winter. It’s not warm enough.

 ………………………………………………………………………………………………………….

2.Don’t stand on that chair. It’s not strong enough.

 ………………………………………………………………………………………………………….

3. You can’t sleep in this bed. It’s not wide enough for you two.

………………………………………………………………………………………………………….

 4. I couldn’t make coffee for everyone. There weren’t enough cups.

………………………………………………………………………………………………………….

 5. He didn’t finish the examination. He didn’t have enough time.

Rewrite these sentences, using must, mustn’t, should, shouldn’t.

1. It’s a good for you to take exercise every day.

→  You

2. It’s a good idea to listen to the weather forecast before going camping.

→  You

3. It’s not good to eat lots of sweets.

→  You

4. It’s not a good idea to swim immediately after a meal.

→  You

5. Be quiet in class and don’t chat to your friends!

→  You 

1.We’ll have lunch outside in the garden, _____ it’s too cold.

A. if B. unless C. in case ` D. should

2.If the machine _______, press this button.

A. stop B. stops C. would stop D. stoped

3.You_____ yourself ill if you don’t eat properly.

were to make B. make C. would make D. will make

4.I can’t understand what he sees in her! If anyone treated me like that, I _________ extremely angry!

A. am B. would be C. will be D. was

5.If you _____ up all the orange juice that was in that carton, you ought to go out and get some more.

A.drank B. drinking C. drunk D. drink

6.Rachel will be pleased _________ she passes her driving test.

A. should B. will C. if D. unless

7. Come on! _____ we hurry, we’ll miss the plane!

A. if B. unless C. in case D. supposed

8.If you can give me one good reason for your acting like this, _____ this incident again.

A. I don’t mention B. I will never mention

C. I never mention D. will I never mention

9.You can use my car ___________ you drive carefully.

A. unless B. as long as C. as soon as D. when

10.If everyone _____ an extra hour a day, it would greatly increase production.

A. work B. works C. working D. worked

11.If energy _____ inexpensive and unlimited, many things in the world would be different.

A. is B. were C. will be D. would be

12.Don’t bother to ring me _________ it’s important.

A. unless B. in case C. if D. as

13._____ you like to see my stamp collection?

A.will B. would C. do D. have

14.It never stops raining here. I wish it ______ raining.

A.stopped B. would stop C. had stopped D. will stop

15.If Jake _____ to go on the trip, would you go?

A. hadn’t agreed B. doesn’t agree C. didn’t agree D. wouldn’t agree

16.If I found Rob’s phone number now, I _____ him about the change in plans.

A.called B. had called C. could call D. will call

17.If I see him, I _____ him a gift.

A.give B. would give C. will give D. gave

18.If I had a typewriter, I _____ it myself.

A. typed B. would have typed C. would type D. am typing

19.If you don’t keep silent, you ________wake the baby up.

A.will B. would C. had D. could

20.I don’t understand this point of grammar. If I ______ it better, I would get good marks.

A.understood B. would understand C. had understood D. understands

VIII. Underline the correct form.
1. Children must / have to start school when they are five.
2. In many countries, you should / must wear a seat belt in the car - it’s the law.
3. I know you like sugar but you shouldn’t / don’t have to eat quite so much - it’s bad for you.
4. I’m not working tomorrow, so I mustn’t / don’t have to get up early.
5. The manager suggested that we have to / should try to find another hotel.
6. Kids should / have to wear a life vest. That’s bur regulation.
7. You mustn’t / don’t have to smoke in here; smoking isn’t allowed in the airport.
8. You must / should hand in your homework on Tuesday or your mark will be zero.
9. You have to / don’t have to dress up for the party. Wear whatever you feel comfortable in.
10. You should / have to ask the teacher to help you if you don’t understand the lesson.