He knows so much about the story. He must have read the book, _______?A．mustn’t

题型：不详难度：来源：

He knows so much about the story. He must have read the book, _______?

A．mustn’t he

B．doesn’t he

C．hasn’t he

D．didn’t he

答案

C

解析

“He must have read the book”中must 表示“一定，想必”等推测意义，而不表示“必须、禁止”等意义。“He must have read the book”相当于 “I’m sure he has read the book”相一致，即用hasn’t he, 而不用mustn’t he。