He was about to go to bed ________ the doorbell rang.

当前位置：初中英语 / 单选题

1. He was about to go to bed ________ the doorbell rang.

A . while B . as C . before D . when

微信扫码预览、分享更方便

使用过本题的试卷

牛津版（深圳·广州）初中英语七年级下册Unit 8 From hobby to career语法专练1：when引导的时间状语从句