Ответ:

1. They ate before he arrived.

2. You finished the report before he asked for it?

3. Jennifer bought the house before the market crashed.

4. What did she do that upset him so much?

5. Our boss did not make the decision yet when management changed their mind.

6. The students wrote the report, but the teacher made them do it again.

7. Mark wanted to go to New York, but his wife changed his mind.

Объяснение: