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.
IV. 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?
……………………………………………………………………………………………………………………………………………………………
IV. 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)pollution. But the pollution problem is as complicated as it is serious(2). It is complicated because much pollution is caused by things that benefit people.
For example, (3) from automobile caused large (4) percentage of air pollution. But the
automobile provides transportation to millions of people. (5) Factories 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 reduce(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) scientists 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) require businesses and individuals to stop,
or cut down on certain polluting activities.
III. Complete the sentences with since/because/ as/ / if/ when, or so.
1. We decided to go out to eat __since__ we had no food at home.
.2. He has a very important job __because___ he is particularly well-paid.
3. Can I borrow that book ____when___ you’ve finished it?
4. No one was watching the television ___since____ I switched it off.
5. ____Because__she changed a lot, we didn’t recognize her.
6. ____As___ you’ve ready, we can start now.
7. I’m going away for a few days, I’ll phone you _when__ I get back.
8. You should inform the police ___when____ your bicycle is stolen.
9. Mathew went to bed ____because___ it was too late to go out.
10.____If___ you drive without driving license, you’re breaking the law.
11. ____because____the weather was bad, they delayed their trip.
12.He will buy a new car ___as____ he saves up.
13.I can’t drive fast _____because__ the street is very crowded.
IV. 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) ___pollution____. But the pollution problem is as complicated as it is
(2) ___serious____. It is complicated because much pollution is caused by things that benefit people.
For example, (3) __exhaust____ from automobile caused large (4) ___percentage_ of air pollution. But the
automobile provides transportation to millions of people. (5) ____factories___ 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) ___reduce____ 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) ___scientists____ 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) __require_____ businesses and individuals to stop,
or cut down on certain polluting activities.
Questions:
1) Is it complicated to reduce pollution? Why or Why not?
=>yes,it is./because much pollution is caused by things that benefit people
2) Who can find ways to lessen the amount of pollution?
=>scientists and engineers can work to find ways t lessen the amount of pollution
3) What can the Government do to reduce pollution?
=>Government can pass and enforce laws that require businesses and individuals to stop,
or cut down on certain polluting activities
