问题
选择题
—Must I do my homework now, Mum?
—_______. You can do it tomorrow.
A.No, you needn’t
B.No, you mustn’t
C.Yes, you need
D.Yes, you must
答案
答案: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。