Question

---Must I do my homework now, Mum?
---_______. You can do it tomorrow.

1. A.
   No, you needn’t
2. B.
   No, you mustn’t
3. C.
   Yes, you need
4. D.
   Yes, you must

Answer 1

A
考查情态动词的用法。根据答语“可以在明天做”，可知现在没必要做；用must提问的否定回答，用needn’t。