!СРОЧНО! 
Выберете правильное:
1.Just as I (left / was leaving) the house,my mobile (rang / was ringing).
2.We asked Nick what he (did / was doing) at seven o'clock in the evening and where he was.
3.The clock (struck / was striking) midnight, we waited for it to stop chiming and then (entered / were entering) the cottage.
4.The other day i (saw / was seeing) my cousin in Apple Street. She (walked / was walking) very fast in the direction of the bank.
5. I opened the window, it (rained / was raining) heavily. A cold wind (blew / was blowing). Red,yellow and brown leaves (fell / were falling) down onto the ground. I (understood / was understending) that autumn (came / was coming).
6. When I was a student, I (liked / was liking) to spend my holidays with my friends in a small Mediterranean village.
7. When we turned the corner, we (noticed / were noticing) Jill. She (spoke / was speaking) to a young man in a molitary uniform.
8. We were well aware of the fact that Harry (worked / was working) at some project at the moment.
9. We were in the house. Our pets, Duke and Socks, (ran / were running) in the yard barking loudly.
10. While we (approached / were approaching) the zoo, we could hear different sounds of zoo animals. Some of them (howled / were howling), others (neighed / were neighing). The lions (roared / were roaring).

Ответ:

1. was leaving;  rang

2. was doing

3. was striking;  entered

4. saw;  was walking

5. was raining;  was blowing;  were falling;  understood;  came

6. liked

7. noticed;  was speaking

8. was working

9. were running

10. were approaching;  were howling;  were neighing;  were roaring.