His mother looked very tired，for she _____ the house herself all day. A．had cleaned B．has been clean...
2023-01-01 16:41:55 127次 2013届福建省高二下学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
His mother looked very tired，for she _____ the house herself
all day.
|
A．had cleaned
|
B．has been cleaning
|
C．had been cleaning
|
D．has cleaned
|
本题链接：
