III)Stress

1.A.environment B.pollute C.disappointed D.refreshment

2.A.plastic B.deforest C.prevent D.recycle

3.A.unpleasant B.chemical C.released D.container

4.A.industry B.dioxide C.eruption D.pollution

5.A.garbage B.fluoride C.occur D.exhaust

6.A.persuade B.sewage C.junkyard D.garbage

7.A.poisonous B.politeness C.minimize D.energy

8.A.expensive B.afternoon C.understand D.introduce

9.A.individual B.temperature C.calculator D.decorator

IV)Find the mistakes

1.Her friendliness made him happily.

2.The school was built in the village recently .

3.That boy studies very hardly , so he always gets good marks .

4.Jane looked sadly and worried this morning .I wonder what happened to her

5.I am writing for you about my decision .

6.People drive fastly.That’s why there are so many accidents .

7.He is late for work every day .I wish he will get up earlier .

V)Correct form of words

1.The air in the city is very (pollute) .

2.Please listen to the lecture (care ) .

3.The accident happened because of driving (care ) .

4.He is going to (collection ) all the bags .

5.We’ll make this beach clean and (beauty ) again .

6.If the (pollute) continues , what will happen ?

7.He was (disappoint) that they were not coming .

VI)Preposition

1.Martin grew to be very fond ____his pet snake .

2.When Harry made his speech everyone laughed ____him .

3.Mai decided to discuss her problems ____her close friend .

4.I’m not very keen ____the idea of going climbing.

5.Mary is always talking ____all the famous people she has met .

6.Jim was often late ____ work , and lost his job as a result .

7.I can’t remember her name , but it begins ____”J” .

VII)Correct form of verbs

1.If they (be) sts , they must wear uniform .

2.If he is careful , he (get ) good marks .

3.We (not buy ) this car if it is expensive .

4.If I study hard , I (pass) the final exam .

5.If they (not take) a map , they will lose their way .

6.We won’t play well if it (rain) heavily .

7.If the test is easy , I (do) it in 15 minutes .

8.Is she (not have) a bicycle , she can’t go on a camping trip with you .

9.If he is absent now , he (not know ) what to do .

10.Please mail this letter if you (have ) her address .