摘要： can / could用于否定句.疑问句或感叹句中)表示猜测.怀疑或惊诧 How can / could you be here ? 你怎么会在这儿? She couldn't / can't be so stupid to do that .她不可能蠢得去做那种事吧.
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---Who can it be that hasn’t handed in his composition?
---It ______ be Robinson. He ______ it in yesterday.
|
A．will; should hand |
B．must; should have handed |
|
C．may; can’t hand |
D．can; could have handed |
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---Who can it be that hasn’t handed in his composition?
---It ______ be Robinson. He ______ it in yesterday.
|
A．will; should hand |
B．must; should have handed |
|
C．may; can’t hand |
D．can; could have handed |
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— _______ I ask you something, if you are not busy?
—Yes, of course you _______.
A. Should; should B. Could; can
C. Could; could D. Can; Could
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