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最佳答案:1A 2C 3A 5D 4题答案有误1题所选项做补语补充说明问题是被解决的而且我很高兴说明解决动作已完成2题所选项做定语从句的谓语3题所选项做补语意思是存钱5题
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最佳答案:uy bought boughtdo did donehave had hadsee saw seenopen opened opened
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最佳答案:过去式:was saw went did met ran cut had made过去分词:been seen gone met run cut had mad
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最佳答案:动词原形-过去分词-过去式know-known-knewrun-ran-ranare-been-wereput-put-putdrink-drunk-drank
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最佳答案:een
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最佳答案:1.我第一次做也是选B,这种题目有点争议,不同老师会讲不同答案.如果硬要理解的话,我觉得2楼的说的不错,确实是强调一看见就打电话.2.这题就是用having d
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最佳答案:een brought seen least taught risen gotten broken build
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最佳答案:过去式用在过去时。 过去分词用在完成时。
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最佳答案:2.he may have been reading in the library.i'm not sure.3.he may have borrowed th
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最佳答案:saw表示过去的动作 seen表示被动 望采纳