问题补充:
---Must we finish the work all day?
---. You can do it tomorrow.
A. Yes, you must.
B. No, you mustn’t.
C. No, you needn’t.
D. Yes, you may.
答案:
A. Yes, you must.
B. No, you mustn’t.
(答案→)C. No, you needn’t.
D. Yes, you may.
解析: 用must提问的疑问句,肯定回答用must,否定回答要用needn’t。句意为:我们必须一天完成工作吗?不,你们不用。你可以明天做。故选C。