He knows so much about the story. He must have read the book, ? A. mustn’t he B.
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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
试题答案
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。