VIII. Make the sentences using the word given.
1. He /aware/ he "ll/fail /last term /if/ he/ lazy.
2. I/confident /my new plan/ will soon/ accepted.
3. As /weather /often /cold /many /the homes /have fireplaces.
4. I/delighted/ afford build new villa.
5. We /surprised/ find/ he/ already/ left.
6 lt/ really astonishing/ she /refused/ dicuss/affair/him
Air pollution
Pollution is the process of making something dirty. Sometimes, the air becomes dirty from (22)_____ causes. If a volcano erupts, it will fill the air with gases, pieces of ash and smoke. People often air to become (23) _____When garbage becomes old, a gas called methane fills the air. Cars fill the air with (24)_____.A lot of factories emit poisons into the air. Weapons of war add (25) _____gases into the air. To decrease air pollution, air quality standards, like the Clean Air Act, were enacted in 1963 and then some pollutants have been reduced.
21, A, natural D. natured B. nature C. naturally
22. A, take B. cause C. do D. put C. polluted
23. A to pollute B. pollution D. polluting
24. A fumes B. fumed C. fuming D. fumy
25. A. harmful B. deadly C. risky D. toxic
Complete the sentences with the correct form of the word in parenthese
1. The authorities are taking steps to prevent_____ (deforest)
2. He was very _____with his mark in the exam as he had worked so hard for it. (disappoint)
3. We should take steps to stop wasing so many_____resources. (nature)
4. Air is one of the most serious problems in big cities. (pollute)
5. He couldn't hide his _____when he heard she wouldn't come.(disappoint)
6. Teacher_____ prefer students with good behavior.(nature )
7. Some people are not aware of the _____effects of alcohol. (harm)
8. The authorities are encouraging farmers to use _____friendly farming methods. (environment)
9. The river is heavily _____with toxic waste from local factories. (pollution)
10. Sulphur dioxide is a_____ cause acid rain.(pollute)
11. They are trying hard to protect the environment, but the results were rather_____ (disappoint)
12. The children can watch that movie. It's quite______. (harm)
13. Most countries now have ______problems (environment)
14. Pollution can____marine life (harmful)
15. People don't realize that they are breathing _____ air(pollute).
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