IX. Write conditional sentences type 2, using the cues given.
1. What/ happen/ if/ water pollution/ stop?
______________________________________________________________________
2. We/ be/ happy/ if/ air pollution/ the world/ be/ a/ better place?
______________________________________________________________________
3. If/ there/ be/ no more pollution/ the world/ be/ a better place?
______________________________________________________________________
4. If/I/ be/ you/I/ take/ these bottles/ the bottle bank.
______________________________________________________________________
5. If/ people/ not really care/ the environment/ they/ not try/ save it.
______________________________________________________________________
6. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.
______________________________________________________________________
7. We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.
______________________________________________________________________

VIII. Complete the sentences with the verbs in brackets. Use conditional sentences type 2.
1. If people________ (not be) so careless, Earth wouldn’t be in danger.
2. The amount of waste ________ (decrease) if people started to buy reusable packages.
3. Many fish wouldn’t die if factories________ (not dump) so many Chemicals into rivers
and oceans.

4. If people stopped using cars completely, there________ (be) much less pollution.
5. If people________ (buy) more recycled paper, there wouldn’t be so much waste.
6. If we________ (not bury) Chemical waste underground, we ________ (not pollute)
fresh water supplies.
7. Pollution________ (not be) such an issue if governments and common people really
________ (care).
8. What ________ (happen) if the whole world________ (be) full of pollution?
9. If people________ (pay) a little more attention to the environment, the Earth________
(be) greener.
10. If people no longer________ (pollute) the atmosphere, the air________ (soon become)
clean again.

VII. Complete the sentences with the verbs in brackets. Use conditional sentences type 1.
1. If the air in a City________ (get) very polluted, it can make people’s eyes burn.
2. If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them
in the future.
3. Many wildlife habitats will be destroyed if people________ (keep) polluting the
environment.
4. If we all use public transport more, we________ (help) reduce air pollution.
5. If we________ (not stop) over-fishing the oceans, many species________ (become)
extinct.
6. If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so
much rubbish.
7. We________ (have) dirty seafood if we________ (dump) rubbish into the sea.
8. If global warming________ (continue), temperatures________ (rise) even higher.
9. If light pollution________ (keep) growing, you________ (not be) able to see even the Big
Dipper at night.
10. We________ (threaten) our own existence if we________ (not cut down) the waste
rapidly.

VI. Choose the best answer to complete the sentences.
1. The river water is severely polluted, mostly________ the dumping of raw sewage.
A. due to B. lead to C. because D. so
2. Sudden changes in water temperature can ________ mass killings of fish, plants, or
amphibians.
A. come up B. result in C. dump into D. thank to
3. Water pollution________ the death of all forms of life in the water bodies.
A. occurs B. results of C. creates D. leads to
4. ________ plastic takes so long to break down, it pollutes the land and ocean.
A. Because B. Due to C. Even if D. Although
5. Many flights were cancelled ________ the smoke from forest fires.
A. so B. because C. because of D. result in

6. ________the garbage dump smells terrible, no one lives around there.
A. Because of B. As C. As a result of D. Even though
7. ________the grain consumption is rising, forests will be cut to provide more room for
planting crops.
A. since B. Although C. unless D. Due to
8. Grace didn’t love nature, ________ she wasn’t happy when her group went camping in a
jungle.
A. but B. and C. because D. so
9. Thousands of fish were killed ________ a discharge of poisonous Chemicals from a
nearby factory.
A. because B. lead to C. result in D. as a result of
10. ________the fog, there were no take-oils from the airport yesterday.
A. Since B. Because C. Owing to D. Thanks to

IV. Underline the right option.
The planet’s water reserves are constantly polluted by waste from agriculture, industries, and (1) sewage / sewers / sewing. Since water is always circulating through the environment, it transports the (2) pollution / polluted / pollutants it contains from one area to the next. A pesticide that is (3) sprayed / spread / crowded on a field, for example, seeps into the groundwater, finds its way to a stream, and finally (4) ends up / gives up / comes up in the ocean. These toxic substances harm (5) poisonous / aquatic / dead plants and animals, and also infect the food Chain, causing certain plant and animal species to become (6) extinct / extinction / extincted. They can also (7) effect / defect / affect humans who eat fish. Even though (8) dumping / collecting / clearing garbage in the ocean is strictly forbidden, many countries release their (9) treated / untreated / treatment sewer waste and dispose of their garbage into the water. In addition to this, more than 6 million tons of oil are accidentally (10) spilled / littered / floated into the ocean every year.

III. Complete the sentences with the words from the box.

aquatic radioactive contaminated poison pollutant
dumped sewage untreated dead effects

1. ________ or wastewater should be treated before it is discharged into the river or ocean.
2. More and more waste and________ are poured into the water, the soil and the air.
3. The________ material is stored in a special radiation-proof Container.
4. Oil spills can cause the death of________ animals such as fish.
5. ________sewage can spread disease and contaminate drinking water sources.
6. Cholera is transmitted through________ water
7. The health________ of air pollution include heart disease, lung cancer, and asthma.
8. Carbon dioxide is a dangerous air________.
9. Over 150,000 tonnes of waste are________ annually along the coastline.
10. Up to 100.000 fish were found________ along the river last week.

II. Complete the sentences with the words or phrases in part I.

water pollution soil pollution air pollution noise pollution
light pollution visual pollution radioactive pollution thermal pollution

1. The smoke from planes, cars and factories causes________.
2. There are many causes of________ including nuclear explosions, nuclear accidents and
nuclear waste.
3. ________ can cause hearing loss and tinnitus.
4. ________can be caused by unattractive views, such as power lines, billboards, Street
banners, open storage of trash, ugly buildings, etc.
5. ________can lead to the death of aquatic plants and animals.
6. ________can happen when the temperature of a body of water increases;
7. There’s just so much ________from the ground that we simply can’t see most of the stars.
8. The ever-increasing use of Chemicals such as pesticides and fertilizers is one of the main
factors causing________.

I.                    Choose the word whose underlined part is pronounced differently from the others

1.  a. fable      b. brave        c. dragon          d. tale

2. a. scream     b. read        c. reach             d. hear

3. a.walked        b. filled       c. swallowed    d. screamed

4. a. giant           b. witch           c. knight              d. kind

5. a. eyes           b.ogres           c.stories              d. cakes