A.has broken into; has been stolen B.had broken into; had been stolen C.has been broken into; stolen D.had been broken into; stolen 2.We were all surprised when he made it clear that he ___ office soon. A. leaves B. would leave C.left D.had left 3...
现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month now. 到目前为止,我们一直在处理那个项目,已经花了一个多月时间了。 05 一般过去时 (did...
④"be to do"的2种用法: a) 表示“按计划、安排即将发生某事或打算做某事”。 例:She is to be seen in the lab on Monday. 星期一你准会在实验室见到她。 b) 该做或不该做的事情(语气...
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