quyển sánh này tên gì ạ 
----- Nội dung dịch tự động từ ảnh -----
Bức ảnh chứa một bài tập điền vào chỗ trống với nội dung như sau:

**Exercise 3. Complete the sentences with the correct form of the verbs in brackets.**

1. I (go) __________ to the nursing home to cook for some old people every weekend.
2. We (plant) __________ some trees in the schoolyard a few days ago.
3. Jack (start) __________ doing volunteer work 5 years ago.
4. You (participate) __________ in a charity club every summer?
5. My school (organize) __________ a charity event to raise money for sick children in the hospital nearby last May.
6. Tom (not/finish) __________ to finish his report yesterday.
7. The children (send) __________ thank-you cards for us last week.
8. We (clean) __________ up the dirty streets in our area every Saturday.
9. They (not/join) __________ Leading Hand in 2015.
10. My best friend and I (sing) __________ for the elderly people at a nursing home last week.