37. We cannot swim in this part of the river because the water is highly polluted. 

38. Mr. Minh has been admired since he dedicated all his life to protecting environment.

39. Lan was sick so she didn't go to school 

??? 40.A lot of Viet Namese people have the custom to buy sugar cane on New Year's Eve 

37. We cannot swim in this part of the river because the water is highly polluted.

using "because":

We can not swim in this part of the river because of highly polluted water.

--->........Because highly polluted water of the river, we can't swim in ..................

using "because of:

1.She can not work hard because she is very old.

-->........Because of being old, she can't work hard...................................

2. He left to school because his life was hard.

Because his life was hard, he left school

I.Choose the best answer:
1. Do you fancy a ( game / part / match / play ) of tennis this afternoon.
2. I have always ( regarded / considered / thought/ known ) you as my best friend.
3. I ( practice / do / make / train ) sports to keep fit , not because I like them.
4. This is ( by far / by ear / by sight / by law ) the most difficult job I've ever had to do
5.We should learn about keeping the enviroment ( pollute / polluting / polluted / unpolluted).

II.Give the correct form of verbs.
1.They can't swim in this part of the river because the water is highly ( pollute )....POLLUTED.......
2. We were proud that our team just ( win ) ......HAS JUST WON...... the first award of the competition.
3. A weather ballon ( can / mistake ) ...CAN BE MISTAKEN........... for an alien spacecraft.

I.Choose the best answer:
1. Do you fancy a ( game / part / match / play ) of tennis this afternoon.
2. I have always ( regarded / considered / thought/ known ) you as my best friend.
3. I ( practice / do / make / train ) sports to keep fit , not because I like them.
4. This is ( by far / by ear / by sight / by law ) the most difficult job I've ever had to do
5.We should learn about keeping the enviroment ( pollute / polluting / polluted / unpolluted ).

II.Give the correct form of verbs.
1.They can't swim in this part of the river because the water is highly ( pollute ) polluted
2. We were proud that our team just ( win ) won the first award of the competition.
3. A weather ballon ( can / mistake ) can be mistaken for an alien spacecraft.

I. Combine two sentences, using ''because/ since/ as''.

1. The water is highly polluted. We cannot swim in this part of the river. ->..........because ( since / as ) .the water is highly polluted, we cannot swim in this part of the river......

2. The company does not produce recycled paper. It is more expensive to produce than regular paper. ->..............The company does not produce recycled paper because it is more expensive to produce than regular paper. .........

3. We want people to be aware of the problem of pollution. We have'' a green week'' three times a year. ->.......because we want people to be aware of the problem of pollution, We have'' a green week'' three times a year. ..................

4 The area around the beach is full of trash. No one wants to go swimming or sunbathing there. ->...........since the area around the beach is full of trash, No one wants to go swimming or sunbathing there. ....................

5. It started to rain. We could not keep on cleaning the beach. ->........as it started to rain, we could not keep on cleaning the beach. -..........................

6.Mr. Minh is admired. He dedicated all his life protecting environment. ->........................Mr. Minh is admired because He dedicated all his life protecting environment...........

II. Rewrite each sentences so that the meaning stays the same:

1. Shall I phone you this evening? -> Do you want.............me to phone you this evening ?..........................

2. I can do what I want and you can't stop me. -> You can't..........prevent me from doing what i want...................

3 I would like you to help me to put the chairs away. -> Do you mind.........helping me put the chairs away ?...................

4. It's not a good idea to travel during the rush hour. -> It's better to avoid.................travelling during rush hour.....................

5. I'd refer not to go out tonight. -> I'd rather.........not go out tonight..............................

1. My uncle cooks very well at a famous restaurant

=> My uncle is a good cook at a famous restaurant

2. He is a skillfull soccer player

=> He plays soccer skillfully

3. Hoa is a very hard-working student

=> Hoa studies very hard

4. They designed fashions cleverly

=> They were clever fashions designers

5. We can't swim in this river because the water is highly polluted

=> Because of the pollution of the water , we can't swim in this river

6. He faild the exam because of not learning the lesson carefully

=> Because he didn't learn the lesson carefully , he failed the exam

7. We all admire this woman because she is wise

=> Because of this woman's wisdom , we all admire her

Exercise 2:Combine each pair of sentences to make one sentence, using the words given in brackets
1.Lang lieu couldn't buy any special food. He was very poor. (Because) Because Lang Lieu was very poor, he could not buy any special food
2.During Tel, Vietnamese people buy all kinds of sweets. They make Chung cakes as well. (so) During Tet, Vietnamese people buy all kinds of sweets and they make Chung cakes as well.
3,The Hung king temple Festival was a local festival. It has become a public holiday in Viet Nam since 2007. (however) The Hung King Temple Festival was a local festival; however, it has become a public holiday in Viet Nam since 2007.
4,At the mid-Autumn Festival, kids can sing, dance, and enjoy mooncakes. Every child likes it very much. (Therefore) At the Mid-Autumn Festival, kids can sing, dance, and enjoy moon-cakes;therefore, every child like it very much.
5,The water is highly polluted. We cannot swim in this part of the river. (Because) We cannot swim in this part of the river because the water is highly polluted

#trannguyenbaoquyen

Rewrite the sentences:

1/ Take plenty of food, you may be hungry on the long trip (case)

=>in case of being hungry on the long trip ,you take plenty of food

2/ Because of the highly polluted water, we can't swim in that part of the river (since)

=>Since the water is highly polluted, we can't swim in that part of the river

3/ They were unable to finish their game of tennis because of a heavy shower

=> A heavy shower prevented them from finishing their game of tennis

1. Because I am sick, I do not go out

-> Because of my sickness, I do not go out.
2. Because the water is polluted, we can't swim in that river

-> Because of the polluted water, we can't swim in that river.
3. Because Nga has had a sore leg, she has difficulty in walking.

-> Because of a sore leg, she has difficulty in walking.
4. Because he behaved badly, he found himself in trouble.

-> Because of his bad behaviour, he found himself in trouble.
5. Because it was snowing, we didn't go out for a walk.

-> Because of snowing, we didn't go out for a walk.
6. Because of his good looks, he is popular with many girls.

-> Because he is good looking, he is popular with many girls.
7. Because of his serious sickness, he couldn't come to the class.

-> Because he has a serious sick, he couldn't come to the class.
8. Because of too much exhaust fume, people have to wear gauze masks in the street.

-> Because there is so much exhaust fume, people have to wear gauze masks in the street.
9. Because of their good performance, they won the first prize.

-> Because they performed well, they won the first prize.

ĐỀ: Rewrite these sentences using ALTHOUGH/THOUGH/DESPITE/IN SPITE OF
1/Because i am sick,l i do not go out 

->Because of  being sick, I do not go out

2/Because the weter is polluted,we can`t swim in that river

->Because of  the polluted water, we can't swim in that river

3/Because nga has had a sore leg,she had difficulty in walking 

->Because of having had a sore leg, Nga had difficulty in walking 

4/Because he behaved badly,he found himself in trouble 

->Because of behaving badly, he found himself in trouble

5/Because it was snowing,we didn`t go out for a walk

->Because of the snow, we didn't go out for a walk

6/Because of his good looks,he is popular with many girls 

->Because he has good looks, he is popular with many girls

7/Because of his serious sickness,he couldn`t come to the class 

->Because he was seriously sick, he couldn't come to the class

8/Because of too much exhaust fume,people have to wear gauze masks in the streets 

->Beccause  there are too much exhaust fume,people have to wear gauze masks in the streets 

9/Because of their good performance,they won the first prize 

->Because  they performed well, they won the first prize

10/Because of your advice,we didn`t use that poisonous chemical

->Because you advised us, we didn't use that poisonous chemical

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