=>
25. B ( enjoy + V-ing)
26. C ( hear + from)
27. D ( from...to)
28. A ( let + V)
29. B ( câu đầu)
30. A ( Polluted water kills fish and other marine life.)
31. D ( dòng 3 )
32. C ( dòng cuối)
33. If you study hard, you can get good result in the exam.
34. The men whom you saw on TV last night are from China.