Đề thi:


Đáp án:
| 1 | C | 17 | benefit |
| 2 | B | 18 | millions |
| 3 | C | 19 | employment |
| 4 | D | 20 | reduced |
| 5 | B | 21 | engineers |
| 6 | B | 22 | such |
| 7 | C | 23 | polluting |
| 8 | A | 24 | B |
| 9 | C | 25 | A |
| 10 | B | 26 | C |
| 11 | C | 27 | B |
| 12 | C | 28 | B |
| 13 | A | 29 | B |
| 14 | A | 30 | C |
| 15 | D | 31 | A |
| 16 | Problem | 32 | D |
| 33 | B |
34. David has cooked dinner for 30 minutes.
35. Mai asked Lan if/ whether she (Lan) often went swimming in the winter.
36. Would you mind cleaning the floor for me?
37. The project should be completed within a year.
38. I am under
39. Mai got up early yesterday so as to catch the first bus.
40. The manager had the report written by his secretary last Tuesday.