18PAST CONTINUOUS / PAST SIMPLE
1. I saw a light in your window as I (pass) by.
A passes
B was passing
2. Yesterday as I was walking down Cherry Lane, I (meet) Thomas, am old friend if mine.
A met
B was meeting
3. Liz’s elder brother said that he (go) to enter Leeds University.
A went
B was going
4. While me son (wait) for my call, somebody knocked at the door.
A waited
B was waiting
5. We (just/talk) about him when hi suddenly (come) in.
A just talked A came in
B were just talking B was coming in
6. Yesterday while Dad (shave), he (cut) himself slightly.
A shaved A cut
B was shaving B was cutting
7. They (quarrel) while they (wash) their car.
A quarreled A washed
B were quarrelling B were washing
2)-a
3)-b
4-a
Дальше не знаю