位置:首页 > 题库频道 > 学历类 > 升学考试 > 高中(高考) > 英语 > 高考英语连词练习251

______ the paper on the computer, the electricity was suddenly cut off.

发布时间:2021-07-27

A.While typed up

B.While typing up

C.While he was typing up

D.he was typing up

试卷相关题目

返回顶部