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___you___yourhomeworkyet?-yes.i___itamomentago我对这部分很乱AdiddofinishedBhavedonfinishedChavedonehavefinishedDwilldofinish
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___you ___your homework yet?-yes .i ___it a moment ago 我对这部分很乱
A did do finished B have don finished C have done have finished D will do finish优质解答
选B 前两空 因为有YET 必然是完成时的提问.后空有AGO,过去时,但有时会碰到一些有AGO也用完成时的,比如SINCE.AGO就得用完成时.这里因为有的AGO,主要强调在之前一个时间FINISH 这个动作,而不是已经完成这件事.
A did do finished B have don finished C have done have finished D will do finish
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