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III. Choose the right answ er
1. If we use water. .. more people will have cleaner water.
B. carefully
A. care
C. careless
D. carelessly
2. Water pollution make some aquatic animals...
A. dying
B. to die
C. die
D. died
3. English is an
. language in Singapore.
A. office
B. official
C. officer
D. officially
4. By the time we got to the cinema, the film
A. had started
5. If people
C. starting
to work by bus, there
B. started
D. has started
fewer car fumes.
A. to travel/be
B. travel/are
C. will travel/be
D. travel/will be
6. If people didn't throw rubbish in the street, it
C. look
attractive.
A. will look
B. would look
D. to look
7. If we
water carefully, more people will have fresh water.
A. will use
B. would use
C. using
D. use
8. By the time we
A. had got
9. Water
to the cinema, the film had started.
B. got
C. were getting
D. get
in the lake has made the fish die.
C. polluted
A. pollution
10. Many fish in my lake have died because of the.
B. pollute
D. polluting
water
A. pollute
11. If you
A. invented
12. The roof of the building
B. pollution C. polluted
D. polluting
. something, you should patent it as quickly as possible.
C. have invented
in a storm a few days ago.
B. will invent
D. are inventing
A. damaged
C. has damaged
B. was damaged
D. has been damaged