II.      Choose the correct answer for each sentence:

6.      Many aquatic animals and plants have died _______the oil spill.

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

7.      If 1 you. _______I try to save water.

A. were/would         B. am/will                -C. am/would         D. were/would

8.      Water pollution has_______ many diseases for plants, animals,

and especially people.

A. led                       B. made                   C. caused               D. done

9.      Polluted air in the city made Bob_______ ill.

A. become                B. became                C. to become          D. becoming

10.     If tourists _______rubbish in the river, the W'ater would be cleaner now.

A. don't throw . B. threw                         C. throw                 D. didn’t throw

11.     Acid rain can lead _______atmospheric pollution.

A. of                B. to                 C. in                 D. from

12.      the soil is too dry, many kinds of trees can’t grow here.

A. Owing to             B. due to                  C. Since                 D. because of

13.     Holes in ozone layer can_______ in skin cancer.

A. lead                     B. result                   C. cause                 D. make-

14.         People_______ suffer from noise pollution if they an airport in this area.

A. will/build             B. will/ built             C. won’t/built D. wouldn't/build

15.     If we _______all waste more carefully, dangerous chemicals_______ get

into our water supply.

A.    treated/ would B. treat/ would C. treated/ won’t D. treat/ won’t

II. Find the mistake in each sentence
1. The fish are dead because the polluted watter.
     A            B               C                  D
2. Ships spill oil in oceans and rivers led to the die of many aquatic animals.
     A                                B                          C                     D
3. Land pollution  happens when human activities destroy Earth’s surface.
          A                     B                                   C                      D
4. She has found that nobody can help her if she did not try her best to do it herself.
                  A                                  B                              C                        D
5. Unless there had been the heavy storm, the climbers will not have died.
       A                    B                 C                                      D

IV. Choose the best answer A, B, C or D.

1. ………….. loss can be caused by noise pollution.

A. Sound B. Hearing C. Listening D. Audio

2. Ships spill oil in oceans and rivers. This leads …….. the death of many aquatic animals and plants. A. to B. in C. from D. at

3. Households pollute water sources by ……….. waste into ponds, lakes, and rivers. A. damaging B. dumping C. losing D. leading

4. This month’s electricity bill is too high …….. the air conditioner is turned on all the time. A. since B. due to C. although D. because of

5. The government has come ………….. a solution to the water problems of the city. A. up to B. up with C. to with D. on to

6. All the aquatic plants and animals will die if the factory …….. dumping poison into the lake. A. will keep B. to keep C. kept D. keeps

7. A lot of fish has died recently because of the ………….. water in this lake. A. contaminating B. contaminated C. contaminate D. contaminant

8. If the air was clean, we ………….. have to wear masks when going out. A. wouldn’t B. won’t C. would D. will

9. If I ………….. you, I ………….. water from that dirty tap. A. am - will drink B. am - won’t drink C. were - would drink D. were - wouldn’t drink

10. If he ………….. trash around his garden, the garden would look very nice now. A. will throw B. would throw C. didn’t throw D. doesn’t throw

II. Choose the correct answer for each sentence:

11. Many people don’t want to live in big cities ________ big cities are often heavily polluted

            a. but                           b. because                    c. and                          d. though

12. __________ she heard the door bell ring, she did not answer it.

            a. However                  b. Because                   c. Even though                        d. As if

13. Despite the storm, the climbers decided to go on

            a. In spite of it was storm                               b. Although there was a storm

            c. Because ut stormed                                     d. Due to it storms

14. He stopped working because he was too tired

            a. because of his tiredness                               b. since being tired

            c. for tired                                                       d. although his tiredness

15. His teacher got angry because he behaved badly

            a. so that he behaved badly                            b. even though he behaved badly

            c. because of his bad behaviour                      d. because of his behaviour

16. Although the traffic was heavy, he managed to get to the office in time.

            a. In spite of the traffice was heavy               b. Because of the heavy traffice

            c. In spite of the heavy traffice                       d. Due to the traffice was heavy

17. I would have been  on time if I hadn’t stopped at the post office

a. I was on time even tough I stopped at the post office b.I wasn’t on time because I stopped at the post office

c. I didn’t stop at the post office, but I was late.                   D. all of the above

18. I have still got the camera because no one has claimed it

            a. because it hasn’t been claimed                                b. because of not claiming on it

            c. because of no claim has been made on it                d. because it has been claimed by no one

20. Although he was seriously ill, he was determined to finish his work.  In spite of ____________

a. the serious ill, he was determined to finish his work b.be ill seriously, he was determined to finish his work

c.his serious ill,he wasdetermined to finish hiswork d.he wasill seriously,he wasdetermined to finish his work

21. Although they were very poor, the children seemed happy.

a. The children seemed happy because they were very poor  b.The children were very poor,so they seemed happy

c.Despite their poverty, the children seemed happy   d.he children seemes happy whether they were poor /rich

22. Because of his bad leg, he walked slowly.

a. Because his leg was bad, he walked slowly                        b. Because his bad leg, he walked slowly

c. If his leg was bad, he walked slowly                      d. Although his leg was bad, he walked slowly

23. I got to class on time _________ I had missed my bus.

            a. even though             b. nevertheless                         c. because                    d. despite

3. Choose the best option to complete each sentence. Circle A, B, or C.

1. Environmental pollution has ___________ to lots of health problems.
A. caused B. led C. made
2. ___________ industrial waste, many fish cannot survive.
A. Because B. Since C. Because of
3. Oil spills from cargos and ships have ___________ many animals and plants die.
A. made B. caused C. resulted
4. This film is rated 18+ because there are too many ___________ scenes.
A. funny B. violent C. entertaining
5. ___________ effects created an amazing world in the movie, it looked so real!
A. Incredible B. Moved C. Special

Choose the best answer amongA, B, C, D to complete each sentence below:
Many species of plants and animals axe in_________of extinction.

A. dangerous

B. endangered

C. danger

D. dangerously

1.many aquatic animals and plants have died_________the oil spill

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

2 .Acid rain can lead_______atmospheric pollution

A.to B.on C.with D.of

3.there is a red maple leaf on the _______ of Canada

A. land B.banner C.money D.flag

4. the government is sendinh_______to the flood victims

A. touch B. aid C.accommodation D. provision

5. the forest fire_______ for eight hours ,killing all of the animals

A. burst B.occurred C. raged D.spread

6. A person who_____ the bagpipes is called a piper

A. plays B. hears C. entertains D.watches

7.Don't drink that water.It's______

A.damage B.dumped C.contaminated D.clean

8.If the teacher were here now ,we'd ask him the difference____"science" and "technology".

A.among B. of C.for D.between

III. Find and correct mistakes.
1. The fish are dead because the polluted water.
     A            B               C                  D
2. Ships spill oil in oceans and rivers led to the die of many aquatic animals.
       A                                B                             C                        D
3. Land pollution happens when human activities destroy Earth’s surface.
              A                 B                                   C                        D
4. She has found that nobody can help her if she did not try her best to do it herself.
                  A                                  B                            C                        D
5. Unless there had been the heavy storm, the climbers will not have died.
         A                    B               C                                      D