Ảnh 1 mình chữa ở câu hỏi khác của bạn rồi nha.
Ảnh 2.
1. We haven't been to Sa Pa for 2 years.
2. I don't mind helping you repair the radio.
3. He climbed the tree in order to get a better view.
4. Did James Watt invent the steam machine?
5. This is the most unusual festival she has ever seen.
Ảnh 3.
1. to revise
2. would send
3. if I read
4. as
5. since
6. didn't spend
7. raise
8. among
9. possible
10. yet
Chúc bạn học tốt!