IV. Give the correct form of the verb.
1. If we meet at 9:30, we (have)………..plenty of time.
2. If you (find) …………a skeleton in the cellar, don't mention it to anyone.
3. The zookeeper would have punished her with a fine if she ( feed) ……….. the animals..
4. If we send an invitation, our friends …..(come) to our party.
V. Fill in each numbered blank with one suitable word or phrase .
Acid rain will not be an easy problem(1)……. As more and more countries become …(2)… there will be more and more competition for petroleum for cars, home heating and industry . While ….(3)….petroleum contribute greatly…(4)….acid rain, it is less polluted than coal.
Unfortunately, petroleum is more ..(5)…than coal and no one knows exactly ..(6) … petroleum is left. Therefore, there will be a pressure to burn coal for energy. Coal is a ..(7) ..dirtier energy source than petroleum. Since we already know how …(8).. acid rain is, it is important ..(9)… we increase our efforts to find a ..(10)…. Source of energy as quickly as possible, so that we can avoid further environmental damage.
1. A. solve B. to solve C. solved D. solving
2. A. industry B. industrial C. industrialize D. industrialized
3. A. firing B. shooting C. burning D. cooking
4. A. to B. for C. at D. with
5. A. expensive B. cheap C. clean D. dirty
6. A. how many B. how much C. how far D. how long
7. A. so B. many C. lot D. much
8.A. destroy B. destroyed C. destruction D. destructive
9. A. that B. if C. weather D. which
10. A. polluted B. polluting C. non-polluting D. non- polluted
VI. Rewrite the sentence
1. Although he had a good salary, he was unhappy in his job.
In spite of …………………………………
2.He gets up early in the morning and he used to it.
He is used to …………………………………
3.He doesn’t study hard so he will fail the final exam next month.
If……………………………………….
4.I will stay at home unless I am invited
If……………………………………………………….