He ______ be in the classroom because he was seen playing football on the play- ground.
A: mustn't
B: can't
C: may not
D: isn't able to
A: mustn't
B: can't
C: may not
D: isn't able to
B
举一反三
- He ______ be playing football now because he is in hospital. A: can’t B: mustn’t C: don’t D: didn’t
- He must be in the classroom, _______ he? A: mustn’t B: can’t C: isn’t D: can
- Peter___be in Paris because I saw him in town only an hour ago. A: mustn’t B: isn’t able to C: can’t D: may not
- John（）be in New York because I saw him in town only a few minutes ago. A: mustn't B: can't C: may not D: isn't able to
- Xiao Li _____ be in Beijing because I saw him in town only a few minutes ago. A: mustn’t B: may not C: can’t D: isn’t able to
内容
- 0
Mr. Li（）be in Beijing because I saw him in town only a few minutes ago. A: isn't able to B: mustn't C: may not D: can't
- 1
– He___ be in the classroom, I think .—No, he ___ be in the classroom. I saw him go home a minute ago. A: can; may not B: must; may not C: may; can't D: may; mustn't
- 2
He must be ill, ______?: doesn’t he|isn’t he|mustn’t he|needn’t he
- 3
Henry _____ be at home because he telephoned me from Paris just a moment ago. A: needn't B: isn't able to C: can't
- 4
He must be in the library now, ____? A: doesn't he B: mustn't he C: needn't he D: isn't he