-___ you ____ the next yet?-Yes,I ___ it half an hour ago.
A.Did;copy;did B.Have;copied;had C.Have;copied;did D.did;cop
写出答案及原因
人气：135 ℃ 时间：2020-05-19 09:37:49
解答
C
YET 是现在完成时的标志,故排除A与D,而AN HOUR AGO 一小时前,是过去时,根据句意是一小时前做了,再排除B
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