Question

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

Answer 1

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

Answer 2

A

C

C

A

B

A

B

C

Answer 3

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

Answer 4

1-A

2-C

3-C

4-A

5-B

6-A

7-B

8-C