6. must and must not \ mustn't a. At an intersection, you .... sloe sown You .... go fast b. Here, you .......... turn left You .......... turn right. You ....... go straight on c. Here, you ..... stop You .............. go straight on
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Life started in the ocean, but humans aren't natural swimmers. We can swim as babies, but we forget and then we must learn to swim again.
We mustn't foget that our world is mainly water. So we should all learn to swim. We must try to stay away from water, but it is very difficult. The time always comes when we can) cross water.
We (7. should - must - can) learn to swim when we are young. It is easier to learn then. Our parents (8. can - must - mustn't) help. They (9. shouldn't - ought not to - should) give us the opportunity to learn to swim.
Bài 1 Match. Circle must or mustn't
1. I have a toothache.
=> D. You must/must not go to the dentist.
2. He's sick. He feels cold.
=> A. He must / must not stay in bed.
3. She has sore eyes.
=> C. She must/must not look at her tablet at night.
4. We have stomachaches.
=> E. You must / must not eat any more pancakes!
5. I have a cold.
=> F. You must / must not have a bowl of Grandma's chicken soup.
6. She has an earache.
=> B. She must/must not go to the doctor and get some medicine.
1. He is unreliable. what he says___ be belived
1.A cannot B. must not C. may not D. might not
2. I was reading the book last night before I went to bed. I never took it out of this room. It___ be lying around here somewhere. Where __it be?
A. might- needn't B. can-should C. shoudn't-may D. must can
3. When you have a small child in the house, you___leave small objects lying around. SUch objects___ be swallowed, causing serious injury or even death
A. should-must B. should not- might C. needn't -may D. mustn't- can't
4. Jenny's engagement ring was precious. It ___ have cost a fortune
A. must B. should C. can D. needn't
5. I___ be at the meeting by 10:00 I will probably ___ take a taxi if I want to be on time
A. must- have to B. may- must C. should- needn't D. mustn't- shouldn't
6. You____ forget to pay the rent tomorrow. The landlord is very stict about paying on time
A. needn't B. mustn't C/ do not have to D. may not
7. I am not deaf. You__ shout
A. must B. mustn't C. need D. needn't
8. The lamp_____ be broken. Maybe the light bulb just burned out
A. should not B. might not C. must have been D. should have been
9. It is a stop secret. You___tell anyone about it
A. Mustn't B. needn't C. mightn't D won't
10. We have plenty of time for doing the work. We __ be hurried
A. needn't B. shouldn't C. mustn't D. mayn't
11. You ___ touch that switch, whatvever you do
A. mustn't B. needn't C. won't D. wouldn't
Smartphones and tablets___ in classrooms.
A. not must be used B, must be used not C. must not be used D. must be not used
a. At an intersection, you must slow down, you mustn't go fast
b. Here, you mustn't turn left, you mustn't turn right, you must go straight on
c. Here, you must stop, you mustn't go straight on
6. must and must not \ mustn't a. At an intersection, you ..must.. sloe sown You ..mustn't.. go fast b. Here, you .....mustn't/must.... turn left You ....must/mustn't...... turn right. You ....must... go straight on c. Here, you ..must... stop You .....mustn't......... go straight on