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They tried to find out ______ the new train ________. A. how far/ had gone B. how long/ has goneC. how far/ went D. how far had/ run告诉我为什么
人气:297 ℃ 时间:2019-08-20 18:18:52
解答
A. 主句用过去时,宾语从句里发生在主句动作之前,用过去完成时
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