in the last few hours ,my sister _____her bedroom three times A cleans B was cleaning C wouldclean D has cleaned
问题描述：
in the last few hours ,my sister _____her bedroom three times A cleans B was cleaning C would
clean D has cleaned
答
选D。
句子意思是：在过去的几个小时，我的姐姐已经清理过她的卧室三次了。
根据时间状语是段市，可以判断应该使用现在完成时。
答
本题考点是 过去完成时 应填 had cleaned
答
D,in the last few hours常和现在完成时连用
答
In the last few hours ，my sister _____her bedroom three times.
A cleans
B was cleaning
C would clean
D has cleaned
答案：D
解析：
现在完成时 用 have done 的形式
我的姐姐在过去的几个小时里，就把她的房间打扫了3次。