bài 1

1. Have you ever done volunteer work?

2. Do you want to become a volunteer?

3.We raise fund for homeless children in Hanoi.

4. Do you think how we help elderly children?

5. We provide education for disabled children.

bài 2

1. I have never seen him before

2. I have studied English for 3 years.

3.I last saw him was I lest school.

4.I has rained for 2 day

Bài 1
1. Even have you done volunteer work ?

2. Do you want to become a volunteer

3. We raise fund for poor homeless children in Ha Noi

4. Do you think how we help elderly children ?

5. We provide education for disabled children