Question

【题目】【2014年上海市中考】By the end of last week, she______in the west of China for two months helping the homeless children.

A. will stay B. has stayed

C. would stay D.had stayed

Answer 1

【答案】D

【解析】

试题分析：根据时间状语By the end of last week到上周末为止，可知本句描述的是过去某时之前已经完成的动作，故用过去完成时态，选D。