put in each gap one model verb from the box

can can't should should't must mustn't

1 i feel tired these days. i................sleep at night

2 children ..............obey their parents

3 "You............out late at night, Lan", her father said

4 .............he swim? Yes, he's a good swimmer

5 I'm going to learn to swim

-You............. learn with an adult and obey their orders

6 We...............stay up late at night because we may get tired the next day

III. Fill in each blank with a suitable preposition.

1. Would you like to go out? - No, thanks. I’d rather stay ......................... home.

2. If you’re going to watch football, you can count me ............................. I don’t like football.

3. I’ve put ........................ 2 kilograms in the last month.

4. The Japansese eat healthily, so they live ....................... a long time.

5. Sitting too close ........................ the TV hurts your eyes.

6. Be careful .......................... what you eat and drinks.

7. She runs six miles every day to keep herself ............................... shape.

8. Watching TV too much is not good ................................ your eyes.

III. Read the text below and write on word in each blank to complete it

You might be a terrible friend and not event realize it. That should scare (1)_____________, it should!

You know what? Right now you should (2)_____________sweating profusely, pacing the floor, and asking yourself whether or not you know(3)_____________to be a good friend.

Sometimes our actions and the words that escape(4)_____________mouths stop going through a filter. Then eventually we’re not even conscious (5)_____________how horrible we are as a person or(6)_____________ friend.

We get so used to our friends that we become insensitive to the things we say and (7)_____________. Sure, that level of comfort can be a good thing, but at the same time a lot of ugliness can start leaking out. It could be a reflection of the (8)_____________ you really are

III. Read the text below and write on word in each blank to complete it

You might be a terrible friend and not event realize it. That should scare (1)_____________, it should!

You know what? Right now you should (2)_____________sweating profusely, pacing the floor, and asking yourself whether or not you know(3)_____________to be a good friend.

Sometimes our actions and the words that escape(4)_____________mouths stop going through a filter. Then eventually we’re not even conscious (5)_____________how horrible we are as a person or(6)_____________ friend.

We get so used to our friends that we become insensitive to the things we say and (7)_____________. Sure, that level of comfort can be a good thing, but at the same time a lot of ugliness can start leaking out. It could be a reflection of the (8)_____________ you really are

V. Fill in each blank with a suitable preposition.

1. At Tet, we give our best wishes _______ each other.

2. Madagasca is one of the largest islands _______ the world.

3. You should take all necessary things _______ you.

4. It’s near here, so we can walk or go _______ bicycle.

5. My parents will cook banh chung _______ a big pot.

6. There will be a big statue _______ the entrance of the flower street.

7. It’s faster to take the second turning _______ the left.

8. At midnight _______ December 31, temples all over the country ring their bells.

9. She learned some customs about Tet _______ her parents.

10. Its colour changes _______ different times of the day.

VI. Choose the best answer to complete the sentences.

1. The weather in Ho Chi Minh City is _______ that in Da Lat City.

     A. hotter than                   B. hotter                            C. hot than                        D. more hot

2. Everyone _______ wear a face mask in public areas during the Covid-19 pandemic.

     A. shouldn’t                      B. should                           C. mustn’t                          D. must

3. There aren’t _______ new clothes in the wardrobe.

     A. some                             B. any                                C. a                                     D. an

4. An ocean is commonly much _______ a lake.

     A. larger                                                                       B. the larger

     C. larger than                                                              D. more than large

5. You _______ tell lies or say bad things.

     A. should                           B. mustn’t                         C. must                              D. shouldn’t

6. I need to calculate how _______ time the assignment will take.

     A. a few                             B. a little                            C. much                             D. many

7. Which cave is _______, Phong Nha or Son Doong?

     A. more greater                B. greater than                 C. great more                    D. greater

8. An average person _______ drink two litres of water daily.

     A. shouldn’t                      B. should                           C. must                              D. mustn’t

9. I think joining in geography club is _______ going out at noon.

     A. more exciting than                                                 B. the more exciting

     C. more exciting                                                          D. exciting more

10. You _______ go when the traffic light is red.

     A. shouldn’t                      B. mustn’t                         C. should                           D. must

II. Underline the correct answer
1. If you like, I can/may make an appointment for you to see Dr Krall tomorrow.
2. Passengers mustn’t /don’t have to smoke while on board the plane.
3. Don’t let Sylvia climb that tree. She might/can fall.
4. You probably shouldn’t/ mustn’t keep your passport in that pocket: it could/ should easily be stolen.
5. I’m afraid Karen can’t/couldn’t come to the party tomorrow because she’s got flu.
6. Oh no! It mustn’t/can’t be 7 o’clock already. John and Graham will be here in fifteen minutes.
7. I absolutely ought to/have to leave the house at 6 if I want to be at the station by six-thirty.
8. Be careful, that pot’s very heavy. You have to/could hurt your back.
9. I have to/ must wear uniform at work according to the work principles.
10. Jack told his son: ‘Today, you have to/ must cut the grass in the garden.’
11. I’m not sure where he is now. He might/can be in his office.
12. When I was at high school, we had to/must wear uniform on Mondays.
13. He couldn’t/shouldn’t write until he was eight.
14. This is the first time Tom’s been to Germany. Fortunately, he will /can speak German.
15. Is it true that cats must/can see in the dark?
16. Do you think I should/ could buy Alex a birthday present?
17. The doctor said I don’t have to/ mustn’t lift anything heavy
18. You shouldn’t/ couldn’t join the team if you don’t want to
19. Frank’s not in his office. He can/might I at lunch.
20. Come on, put those books away- you shouldn’t/ mustn’t be studying at this time of night.
21. Should/ Can I have tomorrow off? I have to/must go to the dentist because I have a toothache.
22. I’ll be quit late getting to London, but you mustn’t/ don’t have to change the plans for me.
23. Students may/should be encouraged to type their assignments. It is easier for their professors to read.
24. The president said that there can/might be a strike next week.
25. I don’t know what I’m doing tomorrow. I must/ might go to the beach or I may stay at home.

II. Fill in the -ing form or the infintive in the appropriate tense.

Tom: Do you think Mary would like 1)....................(go) to the theatre with me tonight?

Jo: I don't think so. She seems 2)..............(study) very hard at the moment.

Tom: That's a shame! I would have liked 3)..............(go) out with her.

Jo: I wouldn't mind 4) .................(come ) with you.

Tom: OK. But I think you should 5)...................(talk) to Mary. The last time I saw her she claimed 6).................(work) till 2 o'clock every morning for the past month. It's not good for her, you know.

Jo: I know. I must 7) ....................(talk) to her about it. But you know how she hates 8)................(tell) what to do.