—Must I return the hook tomorrow morning?

—No, you _ .You can keep it longer.

A. mustn't　 B. can't 　　 C. needn't 　　D. couldn't

—Let’s go dancing tonight.!

—Sorry, I ________.I have to go to my guitar lesson.

A. mustn’t　　　　　　 B. needn’t　　　　　　 C. can’t

--Listen! Kate is playing the piano in the next room.

　　--It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.

　　A. needn't　　　　　　B. mustn't　　　　　 C. can't　　　　 D. shalln't

— Mom, must I finish my homework now?

— No, you ______. You may have supper first.

A. mustn’t　　 　　　 B. needn’t 　　　 　 C. can’t

—Is this John’s T-shirt?

—It _____ be his. It`s much too small for him.

　　 A. needn’t　 B. shouldn’t　 C. can’t D. must