-Did your mother sleep well last night?-She ________ have slept through all thos
题型：同步题难度：来源：
-Did your mother sleep well last night?
-She ________ have slept through all those noises. |
| [ ] |
A．mustn"t
B．may not
C．can"t
D．won"t |
答案
| C |
举一反三
| My newlypurchased magazine is nowhere to be found.________ I have left it on the train? |
| [ ] |
A．Could
B．Should
C．Must
D．Would |
-Can Professor Li be in the laboratory?
-He ________ be; I saw him there half an hour ago. |
| [ ] |
A．can
B．must
C．might
D．need |
| He ________ have sent the email at an earlier time, but there was something wrong with the network. |
| [ ] |
A．must
B．should
C．could
D．might |
It has been announced recently that all the schools ________ not have the students attend school if the
students have high temperatures. |
| [ ] |
A．need
B．shall
C．could
D．ought to |
-I"ve gained weight these days.
-You ________ have eaten so much junk food. |
| [ ] |
A．wouldn"t
B．couldn"t
C．shouldn"t
D．mustn"t |
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