↑ 收起筛选 ↑
试题详情

Not until his mother came back_______.

A.he began to do his homework              B.had he began to do his homework

C.he had begun to do his homework          D.did he begin to do his homework

高一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