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521

The roof fell ______ the PLA men had time to rescue the child trapped in the house.

发布时间:2021-07-27

A.until

B.unless

C.before

D.because

试卷相关题目

返回顶部