II. Read the following passage and circle the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbers blanks.
People need to breathe. If they don’t breathe, they (1) _______ die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems and become (2) _______. Plants and animals need clean air too. A lot of the things in our lives create harmful gases and (3) _______ the air dirty, like cars, motorbikes and factories. Dirty air is called (4) _______ air’. Air pollution can also make our Earth warmer . The problem of air pollution started with the burning of coal in homes (5) _______ factories.
1. A. will B. are C. must D. do
2. A. well B. better C. ill D. good
3. A. get B. make C. give D. have
4. A. pollute B. polluting C. pollutes D. polluted
5. A. and B. or C. but D. so
1 A.will
2 C.ill
3 B.make
4 D.polluted
5 A.and
