Choose the most suitable answer A, B, C, or D to complete the following passage

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VII. Choose the most suitable answer A, B, C, or D to complete the following passage.
ill health in human beings. In a lot of countries,
limiting the amount of smoke factories can produce although
Air pollution is a cause (1).
there are (2)
there is not enough (3).
have (4)
on the effects of smoke on the atmosphere. Doctors
that air pollution causes (5)
The gases from the exhausts of cars (6)_
cities. The (7).
diseases.
also increased air pollution in most
of petrol produces a poisonous gas, which is often collected in
in areas where there is a
as other children, and are
busy streets circled by high buildings. Children (8)_
lot of lead in the atmosphere can not think as (9).
clumsy when they (10)
1. A. from
2. A. laws
3. A. news
their hands.
C. over
C. problems
C. information
C. disagreed
C. liver
D. of
D. regulations
D. newspaper
D. proved
D. stomach
B. on
B. ideas
B. article
4. A. agreed
B. pointed"
5. A. lung
B. heart
6. A. had
B. have
C. has
7. A. water
B. lead
C. gas
8. A. lived
B. live
C. to live
9. A. quick
B. slowly
C. quickly
D. slow
10. A. touch
B. use
C. handle
D. collect
D. having
D. exhaust
D. living
VIII. Read the passage and fill in each blank with one suitable word.