III. There is ONE mistake in each sentence.  Find and correct it.

1. My sister doesn't like durians, and I don't like them, too.

2. She used to walking to school when he was a child.

3. Mrs. Phuong didn’t watch any movies last week and so did I.

4. My brother prefers reading books to play video games.

5. You must try to make the children clean their tooth everyday.

6. Do you know how much this car cost?                           

7. In Vietnam, one of the most popular after-school activity is soccer.

8. Mrs. Thu shouldn’t let her child to play soccer in the street.

9. I have to do a lot of houseworks today so I am very busy.