考试
1970-01-01 08:00:00

1. We had hardly got to the st

题目描述

1. We had hardly got to the station __________it began no rain. A. until           B. since         C. when 2. They were surprised that a child should work out the problem __they themselves couldn’t.A. once           B. then           C. while       

答案解析

错误

加载中...
AI正在思考中,请稍候...