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1. The boy denied breaking the window.
2. While I was staying in Paris last summer, I met her.
3. I saw the man get on his car and drive away.
4. They let us prepare refreshments for the party.
5. After they had had a good meal, they went to dance.
6. The picture was too expensive for us to buy.
7. The last time I spoke to him was 3 months ago.
8. Lan has worked for this company for five years.
9. Before she wrote a report, she had watched the film.
10. While she was studying in USA, she met her husband.
11. When were Nam and Hoa engaged?
12. I have worked in this hotel for six months.
13. Sue went to Italy three weeks ago.
14. He suggested putting your luggage under the seat?
15. We spent 2 hours finishing this work.

1. The boy denied breaking the window.
2. While I was staying in Paris last summer, I met her.
3. I saw the man get on his car and drive away.
4. They let us prepare refreshments for the party.
5. After they had had a good meal, they went to dance.
6. The picture was too expensive for us to buy.
7. The last time I spoke to him was 3 months ago.
8. Lan has worked for this company for five years.
9. Before she wrote a report, she had watched the film.
10. While she was studying in USA, she met her husband.
11. When were Nam and Hoa engaged?
12. I have worked in this hotel for six months.
13. Sue went to Italy three weeks ago.
14. He suggested putting your luggage under the seat?
15. We spent 2 hours finishing this work.

16. he saw the dog running across the street

17.they allow him to write a letter to his family