IV/
1. but-> bỏ "but"
2. see-> seeing
-looking forward to V-ing
3. giving-> give
-try to V
4. Mixture-> Mix: trộn
-dùng động từ
5. also-> but also
-Not only+S+V, but also+S'+V'
6. từ "is" thứ hai-> was
-thì quá khứ đơn: "a few years ago"
7. exams-> exam
-exam là N ko đếm đc
8. in-> by
9. have-> has
-Each+N số nhiều+V số ít
10. hardly enough-> hard enough
-trạng từ "hard" chứ ko có "hardly"
11. pollute-> pollution
12. don't dump-> won't dump
-câu đk loại 1
13. Câu này ko sai
14. destroyed-> were destroyed
15. bạn chụp ko hết đề
16. to close-> closing
-mind+V-ing
17. helping-> to help
-It's very kind of someone to do something
18. Because-> Because of
-Because of+N/V-ing