( ) 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