Choose the word or phrase that best completes each sentence below. 

21. The river water is severely polluted, mostly________ the dumping of raw sewage. A. due to B. lead to C. because D. so 

22. ________ plastic takes so long to break down, it pollutes the land and ocean A. Because B. Due to C. Even if D. Although

 23. Many flights were cancelled ________ the smoke from forest fires. A so B. because C. because of D. result in 

24. ________the garbage dump smells terrible, no one lives around there. A. Because of B. As C. As a result of D. Even though

 25. ________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 

26. ________the fog, there were no take-oils from the airport yesterday. A. Since B. Because C. Owing to D. As

 27. After the accident, many people were exposed________ radiation. A. from B. at C. to D. with

 28. If rubbish is non-biodegradable, it________ forever. A. won’t exist B. exists C. will exist D. doesn’t exist

 29. If people stopped using cars completely, there________ much less pollution. A. will be B. be C. is D. would be 

30. If people________ more recycled paper, there wouldn’t be so much waste. A. buy B. didn’t buy C. bought D. will buy

 Choose the underlined part that needs correcting in each sentence below.

 31. What will happen if the Earth stopped moving?

A will B.if C.stopped D.moving

32. One of the things all of us can do to protect and improve our environment is recycle. 

A.the things B.can do C.improve D.recycle 

33. Long-term exposure to loud noise results permanent hearing loss.

A.long-term B.to C.result D.hearing loss 

34. The amount of waste will decrease if people started to buy reusable packages

A.amount B.will decrease C.to buy D.reusable  

35. Contaminated water can cause of many types of diarrheal diseases, including cholera.

A.contaminated B.cause of C.diseases D.including 

1. The river water is severely polluted, mostly________ the dumping of raw sewage.

A. due to                    B. lead to                   C. because                             D. so

2.________can cause high blood pressure, heart problems, sleep disturbances, and hearing problems.

A. Air pollution                                                                B. Light pollution   

C. Water pollution                                                            D. Noise pollution

3. She can’t come to the phone now because she                         tomorrow’s test.

            A. studies                                                                  B. is studying

            C. has studied                                                           D. has been studying

4. Many flights were cancelled ________ the smoke from forest fires.

A. so                           B. because                 C. because of            D. result in

5. I _____ my work already. I’m ready to go for a walk with you.

            A. finish                                                         B. am finishing

            C. have finished                                           D. have been finishing

6. As I _____ down the street, I _____ a strange sight. 

            A. was walking/ saw                                    B. walked/ saw

            C. were walking/ seeing                                          D. were walking/ saw

7. __________is an extremely large wave in the sea caused, for example, by an earthquake.

8. If Tom ______ the examination, it would be so difficult.

A. didn’t know          B. doesn’t know       C. had known            D. has known

9. The roof of the building _____________ in a storm a few days ago.

A. damaged                                                        B. was damaged                  

C. has damaged                                                  D. has been damaged

10. As soon as the floodwater ___________ down, people ____________ their houses.

A. went - cleaned                                             B. had gone – cleaned        

C. went - had cleaned                                       D. had gone – had cleaned

11. The children _____ when their mother_____home.

            A. were sleeping/ got                                   B. was sleeping/ got

            C. slept/ was getting                                     D. slept/ got

12. 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

13. If someone _____into the store, smile and say, “May I help you?”

            A. comes                    B. came                      C. would come          D. come

14. Water pollution is the ____________ in the lake which has made the fish die.

A. contaminating                                               B. contaminate        

C. contaminated                                                 D. contamination

15. By the time we ___________ to the cinema, the film had started.

A. gets                             B. had got                 C. has got                               D. got

16. When the policeman came there, the robber ___________.

A. had left                       B. has left                C. left                                    D. was left

17. When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans ___________.

A. changes                       B. keeps                   C. remains                            D. stays

18. Australia is home to ___________ animals like kangaroos and koalas.

A. only                             B. rare                      C. unique                   D. precious

19. Up to now, flash floods and mudslides __________ by the heavy rain.

20. All people who were without homes in the flood were provided with ___________ accommodation.

A. short                            B. temporary           C. present                              D. instant

21.The __________ buried the whole village while people were sleeping in their houses.

A. mudslide                B. tornado                   C. drought                   D. thunderstorm

22. When a typhoon happened, many houses and roads __________ destroyed or flooded.

A. is                             B. are                           C. was                      D. were

23. English__________ around the world by children in school as a foreign language.

A. has learned                       B. is learning C. is learned                          D. learned

24. At least 11 people were killed when a four-storey building_________ in the earhquake.

A. was collapsing     B. had collapsed       C. collapsed              D. was collapsed

25. The victims of the wildfire __________ to the hospital already.

A. has been taken                 B. have been taken   C. has taken              D. have taken 

HELP ME

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

Choose the letter A, B, C or D to answer these following questions

There are many causes that lead to water pollution. One main cause of this issue is waste water coming from many factories and then being directly pulled out into water bodies, especially into rivers or seas without any treatment because this is the most convenient way of disposing waste water. Industrial waste consists of some kinds of chemical substances such as sulphur, which is harmful for marine life. Lead is known as the main reason for cancer disease. Cancer has become a popular disease in several communes which are called “cancer villages”. Another cause is the awareness of citizens, people always use water for many purposes and then they dump waste water or garbage directly into rivers, canals and ponds and so on. In 2004, because of a bird flu outbreak in Viet Nam, people threw poultry to water body that made water highly polluted.

Question: Is the sewage from factories treated before dumping into water bodies?

A. Yes, it is

B. No, it isn’t

Choose the letter A, B, C or D to answer these following questions

There are many causes that lead to water pollution. One main cause of this issue is waste water coming from many factories and then being directly pulled out into water bodies, especially into rivers or seas without any treatment because this is the most convenient way of disposing waste water. Industrial waste consists of some kinds of chemical substances such as sulphur, which is harmful for marine life. Lead is known as the main reason for cancer disease. Cancer has become a popular disease in several communes which are called “cancer villages”. Another cause is the awareness of citizens, people always use water for many purposes and then they dump waste water or garbage directly into rivers, canals and ponds and so on. In 2004, because of a bird flu outbreak in Viet Nam, people threw poultry to water body that made water highly polluted.

Question: Is the sewage from factories treated before dumping into water bodies?

A. Yes, it is

B. No, it isn’t

The polluted chemical waste was dumped into the ocean;_____ , the mass of fish died.

A. because B. as C. because of D. consequently

It was guessed that the fish died _______a powerful toxin in the sea water.

A. because of B. because C. since D. as a result

Many species in BC are threatened _______logging.

A. so B. because C. since D. due to

Smoking can______ heart disease.

A. lead to B. create C. causes D. due to

Radioactive pollution is increasing _____ the increased use of radioactivity.

A. as B. since C. because of D. because

I. Choose the best answer A, B, C or D to complete each sentence

1. What is the main_______of visual pollution? - Because there are too many advertising billboards.

A. effect B. affect C. result D. cause

2. Households________waste into the river so it is polluted.

A. damage B. lead C. lose D. dump

3. If the factory ________ dumping poison into the lake, all the fish and other aquatic animals will die.

A. continues B. to continue C. continued D. will continue

4. Water pollution is the ________________ in the lake has made the fish die.

A. contaminating B. contaminate C. contaminated D. contamination

5. If I were you, I ______________ that car .

A. would buy B. buy C. bought D. buying

6. If the factorycontinues dumping poison _______ the lake, all the fish and other aquatic animals will die.

A. into B. to C. about D. in

II. Word form

7. The polluted water results in the _________of many aquatic animals DIE

8. If we use water __________________ . more people will have fresh water. CARE

9. Are all types of pollution ____________________ to the health of humans and animals? HARM

10. The music club made so much noise that the_________________ complained to its owner. RESIDE

III. Rewrite the sentences below without changing their original meaning

11. Leaves are damaged. The tree cannot get enough food energy to stay healthy. (because)

.......................................................................................................................

12. Light pollution happens. There is a change in animals’ living patterns. (If)

.......................................................................................................................

13. Factories release fumes. The air breathe gets polluted. (due to)

…………………………………………………………………………………………………

Rewrite the sentences,using the words in brackets.You can make some changes:

1.There are asthma,allergics and other respiratory illnesses when air pollution happens(lead to)

->

2.Aquati life suffers or dies because there is thermal pollution(because of)

->

3.Water in Cau River becomes brown and has terrible smell because the waste water is released from the paper mill in Thai Nguyen city(so)

->

4.People use too much herbicide to treat weeds,so water in rivers,canals,lakes are extrmely polluted and has bad effects on people's health(because)

->

5.Many fish in the river die due to the increased temperature of water(because)

->

6.Because plastic bags take so long to decompose,nearly all of them still exist in the environment today(so)

->