↑ 收起筛选 ↑
试题详情

–Where is Mother?

–She is in the kitchen. She ______ the housework all morning.

A. is doing         B. was doing

C. has done         D. has been doing

高二英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题