情态动词

(   ) 1. Mr Wang ______ be in Nanjing now, he went to Beijing only this morning.

       A. mustn’t         B. may not          C. can’t            D. needn’t

(   ) 2. –Must I saty at home, Mum?        --No, you ______.

       A. needn’t         B. mustn’t          C. don’t            D. may not

(   ) 3. –Can you go swimming with us this afternoon?

       --Sorry, I can’t. I _____ take care of my little sister at home because my mother is    ill.

       A. can             B. may             C. would           D. have to

(   ) 4. –May I go to the cinema, Mum?  --Certainly. But you ______ be back by 11 o’clock.

       A. can             B. may             C. must            D. need

(   ) 5. To make our city more beautiful, rubbish ______ into the river.

       A. needn’t be thrown                   B. mustn’t be thrown

C. can’t throw                        D. may not throw

(   ) 6. –May I go out to play basketball, Dad?

--No, you ______. You must finish your homework first.

A. mustn’t         B. may not         C. couldn’t          D. needn’t

(   ) 7. –Where is Jack, please ?    --He _____ be in the reading room.

A. can             B. need            C. would            D. must

(   ) 8. –Who is the man over there? Is it Mr Li?  

--No, it ______ be him. Mr Li is much taller.

A. musn’t         B. may not         C. can’t             D. needn’t

(   ) 9. These books ______ out of the reading room. You have to read them here.

        A. can’t take      B. must be taken    C. can take         D. mustn’t be taken

(   ) 10. –Mum, may I watch TV now?

        --Sure, but you ______ help me with my housework first.

        A. can            B. may            C. must             D. could

(   ) 11. The boy said he had to speak English in class, but he ______ speak it after calss.

        A. could          B. didn’t have to    C. might            D. shouldn’t

(   ) 12. –Must we hand in the papers now?        --No, you ______.

        A. can’t          B. may not         C. mustn’t          D. needn’t

(   ) 13. John ______ go there with us tonight, but he isn’t very sure about it.

        A. must          B. can             C. will              D. may

(   ) 14. Even the top students in our class can’t work out this problem. So it ______ be very difficult.