in the last few hours,my sister ( )her badroom three times
in the last few hours,my sister ( )her badroom three times
A.has cleaned B.was cleaning C.would clean
求答案、为啥呢?
A.has cleaned B.was cleaning C.would clean
求答案、为啥呢?
英语人气：195 ℃时间：2019-10-11 16:26:48
优质解答
A 现在完成时have/has+done 动作发生在过去,强调对现在的影响
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