3 Is while or when Correct (C) or Incorrect (I) in each sentence?

when/while:

1. 1. While I was waiting for the bus, I replied to some text messages. (C)
2. 2. Paul wasn't feeling well while we went to see him. (I)
3. 3. While she arrived, I was having a shower. (I)
4. 4. While we were watching the film, it started to snow. (C)
5. 5. I was eating when the waiter brought my drink. (C)
6. 6. You didn't talk when the teacher was explaining the homework, did you? (C)
7. 7. Were they driving to Spain while the car broke down? (C)

Ответ: 1. C 2. I 3. I 4. C 5. C 6. C 7. C