—Did Jim come?—I don’t know. He _______ while I was out.A．might have comeB．might
题型：不详难度：来源：
—Did Jim come?
—I don’t know. He _______ while I was out.| A．might have come | B．might come | C．mush have come | D．should have come |
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答案
| A |
解析
考查情态动词。根据句中有关时态可知“他来”发生在过去，故排除B；根据 I don’t
know 可知选项C语气太肯定，不合适；选项D的意思是“本来应该来”，与语境不合。 |
举一反三
These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China"s nuclear, missile and so on．| A．would have been unthinkable | B．would not be unthinkable | | C．would be unthinkable | D．would not have been unthinkable |
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—Oh my god! You__ wear slippers to attend the conference．
—I"m sorry I forgot there is a conference．| A．must | B．can | C．should | D．shall |
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--The room is so dirty.____ we clean it?
---Of course. |
eryone _______ not fire without the signal or you’ll be severely punished or even killed,” urged the commander.| A．would | B．might | C．shall | D．need |
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--- I don"t mind telling you what I know.
--- You ________. I"m not asking you for it.| A．mustn"t | B．may not | C．can"t | D．needn’t |
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