Exercise 9. Find the mistakes and correct them. (Tìm và chữa lỗi)

3. She have to do much homework last night.
4. David's school has a festival sports.
5. My sister's bag is round. My is square.
6. We often have rice in lunch.
7. I would like a cup with coffee.
8. How many books does he wants to borrow?
9. She goes shopping three time a week.
10.He enjoys go out with his friends at the weekends.