用 when或 while填空。1. I was looking out of the window _________ the teacher asked me.2. What is he doin

题目简介

用 when或 while填空。1. I was looking out of the window _________ the teacher asked me.2. What is he doin

题目详情

用 when或 while填空。
1. I was looking out of the window _________ the teacher asked me.
2. What is he doing _________ his parents came back?
3. Mike was playing games _________ Jack was studying.
4. I was about to fall asleep _________ the baby began to cry.
题型:填空题难度:中档来源:同步题

答案

1. when    2. when    3. while   4. when

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