1: When the bus arrived, we missed it because we were talking.

2: You mustn't press this button because it is very dangerous. 

viết lại câu sao cho nghĩa không đổi:

1. The acid rain happened last month.Many plants and trees died(since)

=> Many plants and trees died since the acid rain happened last month.

2. This factory doesn't treat its waste well so there is a lot of water pollution(if)

=> If this factory didn't treat its waste well, there wouldn't be a lot of water pollution.

3. Many people were left homeless because of the tropical storm(make)

=> The tropical storm make many people were left homeless.

4. The earthquake struck the city and destroyed completely thousands of buildings and houses(were)

=> Thousands of buildings and houses were destroyed complêtly and the city was struck by the earthquake.

5. There are so many billboards in our city. People cannot enjoy the view(if)

=> If there didn't be many billboards, people would enjoy the view.

1. The acid rain happened last month.Many plants and trees died(since)

=> Many plants and trees died since the acid rain last month.

2. This factory doesn't treat its waste well so there is a lot of water pollution(if)

=> If this factory treated its waste well, there wouldn't a lot of water pollution.

3. Many people were left homeless because of the tropical storm(make)

=> The tropical storm make many people were left homeless.

4. The earthquake struck the city and destroyed completely thousands of buildings and houses(were)

=> The earthquake struck the city and thousands of buildings and houses were destroyed completely.

5. There are so many billboards in our city. People cannot enjoy the view(if)

=> If there weren't so many billboards in our city, people could enjoy the city.

11. A

12. A

13. C

14. B

15. A

1 A

2 A

3 B

4 C

5 B

6 D

7 C

8 B

1, a little girl approached the cage however when the tiger shows => had shown its teeth and growls she run to her mother. Because she was frightened

2, many of the people working=> work to save our enviroment think that they are fighting a losing battle. Because big business, and the goverment have not joined together to eliminate pollution.

3, according to this legend a man went => went out in search of a hidden village, he finally found it after walk two hundred mile

IV.Read the passage. Decide which of the following statements is True(T), Palse(F) or No information(NI)

We are all destroying the Earth. The seas and rivers are too dirty to swim in it. These is so much smoke in the air that it's unhealthy to live in many of world's cities. We've cut down so many trees that there are now areas of wasteland all over the world. Farmers in many parts of Africa can not got grow enough to eat and in some Asian countries there is too little rice. Wild animals are quickly disappearing because we have killed too many. However, it isn't enough simply to talk about the problem. We must act before it's too late to do anything about it. Join us now. Save the Earth. This is too important to ignore

1.__F___ We can swim in the seas and rivers because they are not polluted now.

2.___F__ We are planting a lot of trees in areas of wasteland.

3.__T___ There isn’t rice enough to eat in many parts of Africa.

4.___T__ We are killing too many wild animals.

5.__F___ It’s not important to save the Earth.

6.___F__ It's pleasant to live in a lot of cities in the world now

7.___T__There are areas of wasteland now because many trees are cut down

8.__F___Rice can grow enough in many parts of Africa

9.___T__Animals are not as many now as they were a few years ago

10.__T__It's time to act if we want to save the Earth

I. 1...................you are interested in this film, don't go to see it at any cost. A.if B. Unless C. Because D. So 6. If you like that book, I will give it .................you as my present D. to A. for B. from C. at 7. If you live in this small town, you................earn much money
A. aren' B. couldn't C. can't D. didn't 8. If you have .....................money, you can travel abroad this summer D. a lots A. a lot of B. many C. lot of 9. If you are a student, you can get a discount .....................books A. on B. in C. at D. for 10. I won't go unless you ..............me the money back A. to pay B. paid C. paying D. pay II. simply -dirt-health- importance-quick-poison We are all destroying the earth. The seas and rivers are too (1).....dirt..............to swim in. There is so much smoke in the air that it is (2).................. to live in many of the world's cities. In one well-known city, for example, (3)........poison...... gases from cars poilute the air so much that policemen have to wear oxygen masks. We have cut down so many trees that there are now vast areas of wasteland all over the world. As a result, famers in parts of Africa can not grow enough to tat. in certain countrics in Asia there is so little rice. Moreover, we take enough care of the countryside. Wild animals are (4).....quick........ disappearing. For instance, igers are rare in India now because we have killed too many for them to survive. However, it isn't so (5) .....importance...........to talk about the problem. We must act now before it is too late to do anything about it. Join us now Save the Earth. This is too (6)......simply....... to ignore

I. 1...................you are interested in this film, don't go to see it at any cost.

A.if B. Unless C. Because D. So

6. If you like that book, I will give it .................you as my present

D. to A. for B. from C. at

7. If you live in this small town, you................earn much money

A. aren' B. couldn't C. can't D. didn't

8. If you have .....................money, you can travel abroad this summer

D. a lots A. a lot of B. many C. lot of

9. If you are a student, you can get a discount .....................books

A. on B. in C. at D. for

10. I won't go unless you ..............me the money back

A. to pay B. paid C. paying D. pay

II. simply --health- importance-quick-poison

We are all destroying the earth. The seas and rivers are too (1).........dirty..........to swim in. There is so much smoke in the air that it is (2).........unhealthy......... to live in many of the world's cities. In one well-known city, for example, (3)...... poisonous ........ gases from cars poilute the air so much that policemen have to wear oxygen masks. We have cut down so many trees that there are now vast areas of wasteland all over the world. As a result, famers in parts of Africa can not grow enough to tat. in certain countrics in Asia there is so little rice. Moreover, we take enough care of the countryside. Wild animals are (4).....quickly........ disappearing. For instance, igers are rare in India now because we have killed too many for them to survive. However, it isn't so (5) .....simply...........to talk about the problem. We must act now before it is too late to do anything about it. Join us now Save the Earth. This is too (6)......important....... to ignore

6 turns => turning

7 bỏ so

8 sand => sandy

9 that => the

10 narrow => narrower