摘要: -Where the recorder? I can’t see it anywhere. -I it right here. But now it’s gone! A. did you put, have put B. have you put, put C. had you put, was putting D. were you putting, have put 答:B.现在完成时强调对现在产生的结果和影响.而一般过去时则单纯指过去.和现在没联系.根据题干中 But now it’s gone 可判断前句用过去时put.

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