Choose the word A, B, C, D that the best fits each of the blank spaces
 Air pollution is a cause of ill-health in      (1)  HUMAN BEINGS          . ln a lot of countries, there are laws limiting the amount of smoke which factories can produce. Although there isn't     ENOUGH INFORMATION  (2)        on the        (3)EFFECTS       of smoke in atmosphere, doctors have proved that air pollution causes lung diseases
 The gases from the exhausts of cars have also     (4)   INCREASED         air pollution in      (5)        cities. The     (6)  LEAD    in petrol produces a poisonous gas that often collects in busy streets surrounded by high buildings. Children    (7) WHO         live in areas where there is a lot of lead in the atmosphere cannot think as      (8)   QUICKLY     as other children and are clumsy when they use their hands
 There are other long-term effects of pollution. lf the gases in the atmosphere continue    (9) TO    increase, the earth' climate may become warmer. A lot of the ice near the Poles may    (10) MELT   and may cause serious floods
1. A. man        B. men             C. human beings         D. person
2. A. enough information       B. information enough       C. enough informative           D. informative enough
3. A. affect       B. effects          C. effectuation        D. affection
4. A. increasing            B. increased         C. decreasing           D. decreased
5. A. the most        B. most of           C. most        D. every
6. A. lead        B. zone        C. bronze         D. steal
7. A. who       B. which          C. those          D. whom
8. A. quick        B. quickly         C. fast            D. intelligent
9. A along            B. down            C. toward          D. to
10. A. melt         B. freeze            C. defrost          D. flow