1. Because I am sick, I do not go out -> Because of...............................................................................................................
2. Because the water is polluted, we can't swim in that river -> Because of...........................................................................
3. Because Nga has had a sore leg, she has difficulty in walking. -> Because of...................................................................
4. Because he behaved badly, he found himshelf in trouble.-> Because of............................................................................
5. Because it was snowing, we didn't go out for a walk. -> Because of..................................................................................
6. Because of his good looks, he is popular with many girls. -> Because...............................................................................
7. Because of his serious sickness, he couldn't come to the class. -> Because........................................................................
8. Because of too much exhaust fume, people have to wear gauze masks in the street. -> Because.......................................
9. Because of their good performance, they won the first prize.->Because............................................................................

2. Since/As the wind is strong, I cannot go out Because of ……………………………………………………………. 3. Because she was sick, she didn’t go to work yesterday Because of……………………………………………………………. 4. Because they left early, they didn’t eat dinner Due to ……………………………………………………………. 5. Because there was a strong storm, some house was destroyed Owing to the fact that …………………………………………

1) Because I am sick, I don't want to go out.

→ Because of my

2) Because the water is polluted, we cannot swim in this river.

→ Because of

3) Because Na has a sore leg, she has difficulty in walking.

→ Because of

4) Because he behaved badly, he found himself in trouble.

→ Because of his

5) Because it was snowing, we didn't go out for a walk.

→ Because of

6) Because of his serious sickness, he couldn't come to class.

→ Because

7) Because of your advice, we didn't use that poisonous chemical.

→ Because

8) Because of their good performance, they won that match.

→ Because

9) Because of his good looks, he is popular with many girls.

→ Because

10) Because of too much exhaust fume, people have to wear gauze masks in the streets.

→ Because

Complete the sentences using the correct forms of the words in 1.

1. People mustn't drive after drinking _____________. It’s dangerous!

2. The boy does not want to go to school because he is afraid of being _____________.

3. Many children live in ______________. They often stop going to school so that they can work.

4. Many parents compiain about the number of ____________ TV programmes for children.

5. We are going to start a ______________ to raise awareness of animal rights.

1. The air in John's area is polluted , so he has breathing problem. ( if / because / because of / make / lead )

2. The soil is posoned because farmers use too many pesticides and herbicides . ( so ) - If farmer ..................

3. Turn off all the lights and you will not pay more money - If you .............. / Unless .........................

4. Be careful or you may have an accident - If ......................... / Unless .............................

5. He can't understand what she has said because he doesn't know English . ( If / so / because of )

6. Many people have stomachache due to the contaminated food ( because / so / if )

7. There is sewage in the lake , so the aquatic animals die . ( because / result / due to / make if )

Rewrite the sentences:

1. Because it rained heavily, the city was flooded.

=> Due to ............................................................

2. His legs were injured, so he couldn't go to school.

=> Because / Since.................................................

=> Because of .......................................................

3. Lan had a cold because she played in the rain all the day.

=> Lan played.....................................................................

=> Due to ...........................................................................

4. Tan isn't free, so he can't help you.

=> If .................................................

5. Due to the heavy storm, the students didn't go to school.

=> Because .......................................................................

6. The water is polluted, so the fish are dead.

=> The polluted water...................................

=> The polluted water leads ........................

7. We can't see the stars at night because there is much light pollution.

=> If ......................................................................................................

8. People throw rubbish in the streets. The streets don't look attractive.

=> If ......................................................................................................

bài 1: rewirite the senence use the word in braket 1. there are asthma, allergies and other sespiratory sllnesses whenthe air pollution happens (leads to) 2. a quatic life suffers or dies because there is thermal pollution (because of ) 3. people use too much herbicide to trecit weeds , so water in rivers, canale, lakes are extremely polluted and has bad effects people's health ( because ) 4. many fish in the river die due to the in creased temperature of water ( because ) 5. because plastic bags take long to decompose , nearly allgthem still exist is the environment today ( so ) 6. we are unable to see the stars in the sky . light pollution occurs ( makes )

Choose the correct answers:

1. Many species of wildlife are becoming extinct,________ the rainforests are being destroyed.

A. therefore B. since C. consequently D. so

2. Hemp can be used to make paper,_______ it could reduce the need for logging.

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

3._________ logging provides jobs and profits, the government is reluctant to control it. A. so B. Consequently C. Since D. Due to

4. Hemp was grown throughout history__________ its versatility; it can be used to make many different things.

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

5. Hemp is related to the marijuana plant; _______ it is illegal in many countries. A. so B. due to C. as a result D. because

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

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

7. 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

8. Many species in BC are threatened _______logging.

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

9. Smoking can______ heart disease.

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

10. Radioactive pollution is increasing _____ the increased use of radioactivity.

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