B

D

A

1. we are going to visit Do son next weekend.

2. Are they going to watch TV this evening?

3. She is going to visit her friends tomorrow.

4. Miss Chi is doing English ex in the classroom now.

5. You should brush your teeth before meals.

C

C 

1. Phong was playing sports with his friends at four p.m in the stadium yesterday.

2. I lived in HCMC when I was a child.

3. Linda had finished her project before she went to HCMC yesterday.

4. While my mother was cooking, my father was watching a football match on TV.

5. Mai was doing her homework when the cellphone rang.

If I were good at cooking, I could become a chef.