1. It is necessary to have a day to celebrate our parents.

2. How long have you made acquaintance with her?

3. I had to stay up late last night to learn lessons.

4. Minh used to live in a farm when he was a small boy.

5. He asked me what I would do the next day.

6. I used to swim in this river but I don't do it anymore.

7. It's not easy to learn English at home.

8. What was the man wearing when you saw him?
9. I taught Mary to drive last year.

10. I have a lot of news to give you.

11. Teacher told us not to talk in the class.

1.It is necessary to have a day to celebrate for our parents
2.How long did you make the acquaintance of her ?
3.I had to stay up late last night to learn lessons.

4. Minh used to live in a farm when he is a small boy.

5. He asked to me what I do next day
6. I used to swim in this river but I do not any more

7. Learing English in home well is not easy.

8. What was the man wearing when you saw him?
9. I taught Mary drive last year.

10.I have to lot of to news give you.

11. The teacher told his students not to talk class.