He must have lived a happy life a few years ago, ____he?
A: didn’t
B: hasn’t
C: mustn’t
D: can’t
A: didn’t
B: hasn’t
C: mustn’t
D: can’t
举一反三
- 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
- He must have finished his homework, ____________? A: musn't he B: haven't he C: didn't he D: hasn't he
- He must have attended the meeting yesterday, ______ he A: didn't B: mustn't C: needn't D: hadn't
- 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
- It must have rained last night,（）? A: didn’t it B: needn’t it C: mustn’t it D: hasn’t it