1. Last year, they went (go) to the USA with their family

→ vì Last year là quá khứ nên phải chuyển go thành went

2.  You read (read) this book yet, Tom?- No, I have not

→ vì có từ yet là dấu hiệu thì Present Perfect: Thì hiện tại hoàn thành nên áp dụng công thức S+ has/ have+ v3

3.  They are (be) many interesting and historie places in my city

→ dịch theo nghĩa

4. Her mother often buys (buy) half a dozen of eggs and a bottle of cooking oil when she goes (go) to the market

→ sau trạng từ tần suất mà dùng cho he, she, it thì phải thêm s vào sau động từ

5. You should eat (eat) more fruit and vegetables but less junk food

→ sau động từ khuyết thiếu và verb nguyên thể

6. Last summer, we provided (provide) free English classes for poor children in my neighborhood

→ dấu hiệu: last summer

7. Tom collected (collect) a lot of stamps when he was a student

→ dấu hiệu: when he was a student, kể về 1 kỉ niệm trong quá khứ thì chia thì quá khứ đơn

8. Vegetarians don't get  (do not get) enough vitamins in their food

9. Hey! Don't come in! They are interviewing (interview) him

→ chỉ 1 hành động đang xảy ra

10. We visited (visit) the museum last month. We didn't buy (not buy) anything there

→ dấu hiệu: last month

$@Joo$

1. went

2. Have you read

3. are

4. buys - goes

5. eat

6. provided

7. collected

8. don't get

9. are interviewing

10. visited - didn't buy