He knows so much about the story. He must have read the book,（）
A: mustn't he
B: hasn't he
C: doesn't he
D: didn't he
A: mustn't he
B: hasn't he
C: doesn't he
D: didn't he
举一反三
- He’s read this book before, ___________ ? A: hasn't he B: isn't he C: wasn't he D: doesn't he
- He’s never read this book, （） A: doesn’t he B: is he C: hasn’t he D: has he
- He must have finished his homework, ____________? A: musn't he B: haven't he C: didn't he D: hasn't he
- He must be ill, ______?: doesn’t he|isn’t he|mustn’t he|needn’t he
- He must have been very depressed when he heard the news, A: mustn't he B: haven't he C: wasn't he D: didn't he