I was looking at the photos on the noticeboard ________ I heard a voice behind me.

当前位置：高中英语 / 单选题

1. (2021高一上·深圳南山期中) I was looking at the photos on the noticeboard ________ I heard a voice behind me.

A . while B . when C . then D . and

微信扫码预览、分享更方便

使用过本题的试卷