III. Read the text below. Use the word given at the end of each line to form a word that fits in the space in the same line.
Example: (0) impossible
These days it is(o)………….......................to open a newspaper without POSSIBLE
reading about the damage we are doing to the environment.
The earth is being(1)………….....................and the future looks bad. THREAT
What can each of us do?
We cannot clean up our(2)…………......................rivers and seas overnight. POLLUTION
Nor can we stop the(3)……………...................of plants and animals. But APPEAR
we can stop adding to the problem while(4)………………................. .......... SCIENCE
search for answers, and laws are passed in nature’s(5)……………............... DEFEND
It may not be easy to change your lifestyle(6)…………….................., but COMPLETE
some steps are easy to take: cut down the amount of(7)………….................. DRIVE
you do or use as little plastic as possible. It is also easy to save energy,
which also reduces(8)…………….................bills. We must all make HOUSE
a personal (9)……………................... to work for the future of our planet if DECIDE
we want to (10)…………....................a better world for our grand- children. SURE
III. Put the verbs in brackets into the correct tense or form.
Dentists can do a lot(0)....to improve...(improve) your teeth. They can straighten your teeth by(1)...............................(put) wires on them. These wires(2)....................................(push) the roots of the teeth the right way. The best time for (3)..............................(do) this is while the teeth(4).............................(grow). A lot of dentists, however, prefer not(5).............................(start) doing this before a child(6)………………(be) at least eight. Sometimes a dentist even(7)……………...........….(use) elastic bands(8).........................(make) a tooth straight. Sometimes(9)...............................(pull) tooth out can prevent the other teeth from(10)............................(grow) too close to one another.
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