If you ____ the chat room ten minutes ago, you ____ what we were talking about.A
题型：不详难度：来源：
If you ____ the chat room ten minutes ago, you ____ what we were talking about.| A．have joined; will know | B．would join; have known | | C．should join; would know | D．had joined; would have known |
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答案
| D |
解析
| 考查虚拟语气。句意：如果你十分钟以前加入了聊天室，你就会知道我们正在谈论什么。结合语境可知条件句中是对过去状态的虚拟，故用过去完成时态，主句中用过去将来完成时态，“would+have+done”表示对过去事情的假设，意思是“本来会做”。故选D。 |
举一反三
The harder you_______ , the greater progress you______ . | A．will study; will make | B．will study; make | C．study; make | D．study; will make |
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The building which _____ now will be our science laboratory.| A．is being built | B．will be built | C．is built | D．has been built |
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The students _______ busily when Miss Brown went to get a book she _______ in the office.| A．had written; left | B．were writing; has left | | C．had written; had left | D．were writing; had left |
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---Where is mother?
---She is in the kitchen. She ___ the dinner for the party the whole afternoon.| A．is preparing | B．was preparing | C．has preparing | D．has been preparing |
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Unfortunately when we arrived she ___, So we only had time for a few words.| A．just left | B．has just left | C．was just leaving | D．had just left |
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