25. Products
26. Considerable
27. Minimize
28. Effective
29. Naturally high???
30. Occurence
31. If you want to have good health, you must excercise regularly. (hoặc nếu muốn theo đề thì ... must do the excersises regularly vì đã xác định bài tập nào đâu mà "the excercises").
32. People who come to/visit Vietnam should ... advice.
33. RF played skillfully in the US Open ... 2017. (Đề lẽ ra phải là "a skillful tennis player" và phải có "The" trước "US Open...")
34. They were eager to end their quarantine... ?
35. We should launch a campaign to encourage the people to keep the neighborhood clean.
36. Serious floods caused loss of human lives as well as significant material damage.