Автор - bleachn
Ответ:
1. I saw a light in your window as I was passing by.
b) was passing (Past Continuous)
2. Yesterday as I was walking down Cherry Lane, I met Thomas, an old friend of mine.
a) met (Past Simple)
3. Liz's elder brother said that he was going to enter Leeds University.
b) was going (Past Continuous)
4. While my son was waiting for my call, somebody knocked at the door.
b) was waiting (Past Continuous)
5. We were just talking about him when he suddenly came in.
b) were just talking (Past Continuous)
a) came in (Past Simple)
6. Yesterday while Dad was shaving, he cut himself slightly.
b) was shaving (Past Continuous)
a) cut (Past Simple)
7. They quarreled while they were washing their car.
a) quarreled (Past Simple)
b) were washing (Past Continuous)