Ответ:

(B)

1. Fortunately, i SAVED my work before the computer CRASHED.

2. When they HAD ARRIVED, we STARTED our meeting.

3. Mark WAS very tired because he DIDN'T sleep well.

4. She READ the ads before WARNED her about them.

5. I was 7 had been 12.12 when the boss ARRIVED at the factory. The workers FINISHED their work by 12 o'clock

(A)

1. Mark arrived after we left.

2. John has been very sad because he failed his exam.

3. Mary did not pass the examination test as she did not study hard enough.

4. The bus has was no longer there. It already left.

5. My mother asked me why i came so late.

6. We went as soon as we had dinner.

7. When i got there, everyone already left.

8. Susan just got out when i called at her house.

9. The moment after i told her not to, my daughter did it again.

10. Fred did not tell anybody how he got into the house.

11. Sara has gone to England last week. Before that she have never been outside Portugal.

12. Yesterday i met a man who was at school with my father.

Объяснение: