1. They prefer cooking to watching TV.
2. Last year, she liked playing tennis.
3. What did she do at 5:00 pm yesterday?
4. I have recently finished my homewwork
5. Has he done this task yet?
6. How long have you stayed in Hanoi?
7. When did she build this house?
8. When I came in, they were watching TV.
9. They would rather read than cook.
10. Mr. John is writting a letter at the moment.

1 cooking/ watching