↑ 收起筛选 ↑
试题详情

The project alongside with the experiment we had once devoted so much time ______ perfectly.

A.to work out      B.to working out

C.to worked out     D.has worked out

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