in the last few hours,my sister ( )her badroom three timesA.has cleaned B.was cleaning C.would clean 求答案、为啥呢?
问题描述：
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?
答
A.has cleaned
表示最近一段时间的词组都用现在完成时 in the last/past ...years over these years recently ..
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