精英家教网 > 高中地理 > 题目详情

I had just stepped out of the bathroom ______ I heard the steps.

A. while        B. when C. since     D. after

练习册系列答案
相关习题

科目:高中地理 来源: 题型:

--- Could you tell me what he said just now? --- Sorry, I ______ what was going on outside.

  A. had thought   B. was thinking      C. thought      D. think

查看答案和解析>>

同步练习册答案