If you had joined the chat room ten minutes ago, you _____________what we were t
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If you had joined the chat room ten minutes ago, you _____________what we were talking about. | A．would know | B．would have known | C．knew | D．had known |
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答案
| B |
解析
| 考查虚拟语气。句意“would+have+done”表示对过去事情的假设，意思是“本来会做”。如果你十分钟前加入聊天室，你就会知道我们正在谈论什么了。“would+have+done”表示对过去事情的假设，意思是“本来会做”。故选B。 |
举一反三
You find it so hard to write the composition now if you had observed life carefully| A．wouldn"t | B．didn"t | C．don"t | D．mustn"t |
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He ____ such a large house, though he was very glad.
A . need buy B. hadn’t bought C shouldn’t have bought D. needn’t have bought |
Had Wang Ling received six more votes in the election of out class,she _____our monitor now. | A．must have been | B．would have been | C．were | D．would be |
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—______ you pass the examination on the first attempt?
—Of course. You know, I have been preparing for it for a long time. |
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-- You ____ be hungry. You’ve just had some bread and ham. | A．mayn’t | B．won’t | C．mustn’t | D．can’t |
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