Odpowiedź:
1. A: Were your sisters watching (watch) TV at midnight?
B: No, they weren't.
2. We were eating (eat) lunch in the cafeteria at noon.
3. Were you talking (talk) on the phone a few minutes ago?
4. I was walking (walk) home when I saw the car accident.
5. My classmate and I were studying (study) together at the library.
6. David was cleaning (clean) the house and we were cooking
(cook).
7. A: What were you doing (do) at one o’clock?
B: I was sleeping (sleep) when you arrived.
8. The car engine wasn't working (not work), so I had to fix it.
9. A: Were you listening (listen) to the teacher?
B: Yes, I was.
10.At seven o’clock, Mr. Smith was robbing (rob) the bank.
11. Steven wasn't doing (not do) his homework, he was playing with his friends.
12. It was raining (rain) last night, so I took my umbrella.
13.Anne was studying (study) in London last year.
14.I was working (work) as a teacher when I first met your mother.
15. We were swimming (swim) and you were sitting (sit) on the floor.