III. Complete the sentences with because/ as/ since/ if/ when, or so.

1. We decided to go out to eat _______ we had no food at home.

2. He has a very important job _______ he is particularly well-paid.

3. Can I borrow that book _______ you’ve finished it?

4. No one was watching the television _______ I switched it off.

5. _______ she changed a lot, we didn’t recognize her.

6. _______ you’ve ready, we can start now.

7. I’m going away for a few days, I’ll phone you _______ I get back.

8. You should inform the police _______ your bicycle is stolen.

9. Mathew went to bed _______ it was too late to go out.

10. _______ you drive without driving license, you’re breaking the law.

11. ________the weather was bad, they delayed their trip.

12. He will buy a new car _______ he saves up.

13. I can’t drive fast _______ the street is very crowded.

*Fill in the blanks with proper words, then answer the following questions.

scientists/ pollution/ serious/ factories exhaust/ reduce/ require/ percentage

Everyone wants to reduce (1) _______. But the pollution problem is as complicated as it is (2) _______. It is complicated because much pollution is caused by things that benefit people. For example, (3) _______ from automobile caused large (4) _______ of air pollution. But the automobile provides transportation to millions of people. (5) _______ discharge much of the material that pollutes air and water, but factories give employment to a large number of people.

Thus, to end or greatly (6) _______ pollutions immediately, people would have to stop using many things that benefit them. Most people do not want to do that, of course. But pollution can be gradually reduces in several ways, (7) _______ and engineers can work to find ways t lessen the amount of pollution that such things as automobiles and factories cause. Government can pass and enforce laws that (8) _______ businesses and individuals to stop, or cut down on certain polluting activities.

Questions:

1) Do things that benefit people bring about pollution?

…………………………………………………………………………………………………………………………….….

2) Is it complicated to reduce pollution? Why or Why not?

…………………………………………………………………………………………………………………………….….

3) Who can find ways to lessen the amount of pollution?

…………………………………………………………………………………………………………………………………….….

4) What can the Government do to reduce pollution?

…………………………………………………………………………………………………………………………………….….

V. Complete each sentence of the following letter.

Dear Mr. Smith,

1. I write/ complain/ dirt/ smoke/ come/ your factory chimneys.

……………………………………………………………………………………………………………….….

2. Two days ago/ I decide/ do / my washing.

…………………………………………………………………………………………………………………….….

3. I wash/ sheets/ put/ out/ dry/ it/ be/ nice sunny day/ there/ be/ breeze.

……………………………………………………………………………………………………………………………………….….

4. When I take washing in/ I be/ horrified/ discovered/ it/ cover/ dirty marks.

……………………………………………………………………………………………………………….….

5. I/ assume/ breeze/ I/ mention/ carry/ dirt/ chimneys.

…………………………………………………………………………………………………………………………….….

6. This be/ not only/ because/ sheets/ but because/ we/ two small children/ who be make/ breathe/ same air.

……………………………………………………………………………………………….….

……………………………………………………………………………………………………………………….….

7. Until this incident/ I think/ chimneys/ be safe/ clean.

…………………………………………………………………………………………………………………………………….….

8. I already/ write/ local Member of Parliament/ this matter.

……………………………………………………………………………………………………………………………….….

9. Furthermore/ I must warn you/ I/ write/ local newspaper/ tomorrow.

…………………………………………………………………………………………………………………………….….

10. I/ look forward/ receive/ reply.

……………………………………………………………………………………………………………….….

Yours sincerely

Mrs. Jennifer Hunter