— Where are the students? How could they keep us waiting for so long? — They st
题型：天津同步题难度：来源：
— Where are the students? How could they keep us waiting for so long?
— They started an hour ago and they________ be here in fifteen minutes, I think. |
| [ ] |
A. can
B. would
C. should
D. must |
答案
| C |
举一反三
— I can"t wait to go to your party. ________ my friend Susan come?
— Of course. She is always welcome. |
| [ ] |
A. Shall
B. Should
C. Will
D. Must |
— I went to Tom"s birthday party last night. A lot of my good friends were there too.
— It ________ fun. |
| [ ] |
A. must be
B. can be
C. must have been
D. can have been |
| My cellphone has disappeared. Who ________ have taken it away? |
| [ ] |
A. could
B. should
C. must
D. ought |
| You________all those clothes！We have a washing machine to do that sort of thing. |
| [ ] |
A. needn’t have washed
B. shouldn’t have washed
C. must not have washed
D. can not have washed |
—Sorry, I"m late.
—It"s OK. However, you________come to the company today, for it is Saturday. |
| [ ] |
A. couldn"t have
B. needn"t have
C. wouldn"t
D. couldn"t |
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