II. Choose A, B,C or D that best completes each sentence
1. there are plently of potatoes in the fridge. you ....... buy any
A. needn't B. mustn't C. may not D. shouldn't
2. we are in the hospital. you ...... smoke here.
A. needn't B. mustn't C. may not D. don't have to
3. he had been working for more than 11hours. he ........ be tired now.
A. need B. had better C. must D. could
4. I ...... speak Arabic fluently when I was a child and we lived in Morocco.
A. might B. can C. must D. mustn't
5. the teacher said we ..... read this book for our pleasure because it's optional.
A. should B. must C. needn't D. can
6. If you want to speak English fluently, you ........ to work hard.
A. could B. need C. needn't D. mustn't
7. take an umbrella. it .... rain later.
A. need B. should C. might D. mustn't
8. small objects .... be swallowed by children.
A. may B. must C. need D. mustn't
9. in this city, people ......... walk on grass.
A. couldn't B. mustn't C. needn't D. may not
10. .......... I ask a question? yes, of course.
A. must B. may C. should D. will
