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1) Choose the correct word marked A, B, or C to fill each blank in the following passage.
AIR QUALITY
People need to breathe. If they don’t breathe, they (1) .................. die. But how clean is the air people breathe? If they breathe (2) .................air, they will have breathing problems and become (3).................. Plants and animals need (4) ................. air too. A lot of the things (5)................. our lives create harmful gases and (6) ................. the air dirty, like cars, motorbikes and factories. Dirty air is called “(7)................. air”. Air pollution can also make our Earth warmer. The problem of air pollution started with the burning (8).................coal in homes and factories.
| 1. | A. will | B. are | C. must |
| 2. | A. clean | B. fresh | C. dirty |
| 3. | A. well | B. better | C. ill |
| 4. | A. clean | B. safe | C. dirty |
| 5. | A. at | B. in | C. on |
| 6. | A. make | B. get | C. give |
| 7. | A. pollute | B. polluted | C. polluting |
| 8. | A. in | B. for | C. of |
ĐÁP ÁN:
|
1. A |
2. C |
3. C |
4. A |
5. B | 6. A | 7. B | 8.C |
