2. 外语
  3. I was listening to the music______there was a knock at the door.

I was listening to the music______there was a knock at the door.

admin2012-07-18  24
问题 I was listening to the music______there was a knock at the door.
选项 A、when
B、while
C、because
答案A
解析 while引导的从句常用进行时态，此为主语进行时态。
转载请注明原文地址:https://jikaoti.com/ti/l83sFFFM
本试题收录于： 公共英语一级笔试题库公共英语（PETS）分类
0

公共英语一级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)