---Must I finish my homework at school?

---              ?You can do it at home and hand it in next week.

A. Yes, you must      B. No, you needn't           C. Yes, I can

—Must I get up before seven o’clock tomorrow?

—_______. It is Sunday tomorrow, you can have a good rest.

                  A. Yes, you must                       B. No, you don’t have                C. No, you needn’t

–Excuse  me, can I smoke here?

   --No, ______.

A. you must         B. you’d not better

C. you can           D. you’d better not

—Must I get up before seven o’clock tomorrow?

—_______. It is Sunday tomorrow, you can have a good rest.

                  A. Yes, you must                       B. No, you don’t have                C. No, you needn’t