15. I don't live with my family now, and we have not seen each other for five years.
16. She hadn't ridden horse before that day.
17.Kenvin had gone home by the time I arrived.
18.Most of time we were sitting in the park.
19. At this time yesterday we were playing tennis in the schoolyard.
20. How long have you known each other?
21. At 7:00 p.m yesterday I was watching TV.
22. Look! The bus is coming.
23. He is always borrowing me money and never giving back.
24. While I am doing my housework, my husband is reading books.
25. Two years ago, he taugth Math in a small school in the countryside.
26. I'd better have a shower. I have not had one since Thursday.
27. Yesterday was Sunday. Mr Ta, didn't go to school.
28. I was very funny on last vacation.