I. True or False. Tick the correct box.
True False
1. You must close the door before going out.
2. You mustn‟t do your homework.
3. You mustn‟t obey your parents.
4. You must go to school on time.
5. You must walk on the grass.
6. You mustn‟t shout at me.
7. You must brush your teeth before going to bed.
8. You mustn‟t eat fruit and vegetables.
II. Complete the sentences with must or mustn't.
1. You help your mother with the heavy box.
2. It‟s very cold. You go out.
3. You look after the house when your parents are awaff
4. You wash your face in the morning.
5. You take your umbrella because it‟s raining.
6. You drink that milk, it‟s very hot.
7. You make noise in the class.
8. It‟s dangerous, you touch that wire.
9. You be rude to your teacher.
10. In the class, you study hard.
III. Give the correct form of superlative.
1. This is a TALL building.
→ This is the building in London.
2. That was an EASY exercise.
→ That was the exercise of the test.
3. This is a COMFORTABLE armchair.
→ This is the armchair in this shop.
4. This is a BIG cheese burger.
→ This is the cheese burger of the McDonald‟s Company.
5. That was a very BAD conversation.
→ That was the conversation I have had.
6. That was a DIFFICULT exercise.
→ That was the exercise of the test.
7. He‟s got a GOOD pen.
→ He‟s got the pen of the class.
8. This is an INDIFFERENT pupil
→ This is the pupil of my class.
9. He is a FUNNY boy.
→ He is the boy in the world.
10. He is LESS young than the others.
→ He is the young student of my class.
In all the world, there ______ are ______ only 14 mountains that _____ reach ____ above 8,000 meters.
2. He sometimes (come) ____comes______ to see his parents.
3. When I (come) __________, she (leave) __________for Dalat ten minutes ago.
4. My grandfather never (fly) _____flyes_____ in an airplane, and he has no intention of ever doing so.
5. We just (decide) _____decide_____ that we (undertake) _____undertake_______ the job.
1. In all the world, there (be) _____are_____ only 14 mountains that (reach) ______reach____above 8,000 meters.
2. He sometimes (come) ______comes____ to see his parents.
3. When I (come) ______came____, she (leave) _______had left___for Dalat ten minutes ago.
4. My grandfather never (fly) ____ has never flown ______ in an airplane, and he has no intention of ever doing so.
5. We just (decide) _____ have just decided _____ that we (undertake) ______ would undertake______ the job.
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