Unit 5 Section A 1. 下暴风雨的时候我正走路回家。 2. 当天开始下大雨的时候她正在接电话。 3. 我们在玩电脑游戏的时候，有人敲门。 4. 雨点敲打窗户的声音那么大以至于我睡不着。

5. 当他醒来的时候，他妈妈正在确认他的学习用品是否在书包里。 6. 他在拍照时，我在扫落叶。 Section B

1. 当同学们在上第一节课的时候，汤姆还在费力往学校赶。 2. 在收音机里听到这个消息我们都惊呆了。 3. 在他们默读课文的时候，老师进来了。 4. 那时我是如此地害怕以至于脑子一片混乱了。 5. 这次空难的真相对很多人意义重大。

6. 当我在往学校跑的时候，我突然意识到那天是星期六，我们不上课。 Section A 1. I was walking home at the time of the rainstorm.

2. She was answering the phone when it began to rain heavily.

3. Somebody knocked at the door while we were playing the computer games. 4. The rain beat so heavily against the windows that I couldn’t fall asleep.

5. When he woke up, his mother was making sure that all his school things were in his bag. 6. While he was taking photos, I was sweeping the fallen leaves.

Section B

1. While his classmates were having the first class, Tom was making his way to school. 2. We were all shocked when we heard the news on the radio. 3. While they were reading the text in silence, the teacher came in. 4. I was so scared at that time that I could hardly think clearly. 5. The truth of the air accident has meaning to many people.

6. While I was running to school, I suddenly realized that it was Saturday and we had no

class.