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Chira Nguyên

Exercise 1: Fill in the blanks, using the appopriate answer.

1. There are plenty of tomatoes in the fridge. You __________ (musn’t - needn’t - may not - should not) buy any.

2. This is a hospital. You __________ (musn’t - needn’t - may not - don’t have to) smoke here.

3. He had been working for more than 11 hours. He __________ (must - need - had better - mustn’t) be tired after such hard work. He __________ (may - should - must - had better) prefer to get some rest.

4. I __________ (could - might - can - must) speak Arabic fluently when I was a child and we lived in Morocco. But after we moved back to Canada, I had very little exposure to the language and forgot almost everything I knew as

a child. Now, I __________ (may - can - must - need) just say a few things in the language.

5. The teacher said we __________ (can - needn’t - must - should) read this book

for our own pleasure as it is optional. But we __________ (could - need - needn’t - mustn’t) read it if we don't want to.

6. __________ (may - need - must - can) you stand on your head for more than a minute? No, I __________ (may not - needn’t - can’t).

7. If you want to learn to speak English fluently, you __________ (could - might - can - must) worry. We will help you become a fluent speaker but you have

to work hard.8. Take an umbrella. It __________ (need - shouldn’t - mustn’t - might) rain later.

9. You __________ (should - need - needn’t - may not) leave small objects lying around . Such objects __________ (must - need - may - mustn’t) be swallowed by children.

10. People __________ (couldn’t - needn’t - mustn’t - may not) walk on the grass.

11. Drivers __________ (could - must - may) stop when the traffic lights are red.

12. __________ (may - must - should - will) I ask a question? Yes, of course.

13. You __________ (couldn’t - needn’t - mustn’t - may not) take your umbrella. It is not raining.

14. __________ (can - need - should - may) you speak Italian? No, I __________ (shouldn’t - mustn’t - may not - can’t) 


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