III. Choose the best answer A, B, C or D to complete the sentences:

1. What can be done to protect people from __________ disasters?

A. environment                 B. environmental          C. environmentally       D. environmentalist

2. All our English teachers are __________ speakers.

A. native                            B. original                    C. foreign                      D. foreigns

3. The heavy rain has caused __________ in many parts of the country.

A. storms                           B. floods                       C. drought                     D. flood

4. Science is used in all corners of the world for the __________ of people.

A. interest                          B. need                          C. profits                       D. benefit

5. The new invention could have a wide range of __________ in industry.

A. applications                   B. concerns                   C. goodness                   D. advance

6. Too much carbon dioxide in the air can be __________ for humans to breathe.

A. poisonous                      B. unfriendly                 C. healthy                      D. poison

7. Teenagers often use abbreviations when ___________.

A. texting                          B. video conferencing      C. sending letters          D. talking

8. The ___________ in technology allow astronomers to know more about outer space.

A. developments               B. science                         C. exploration                D. discovery

9. To generate cheap and clean energy, instead of burning fossil fuels, scientists have developed____.

A. oil                                  B. solar panels                  C. electricity                  D. coal burning

10. Mary wondered if Neptune __________ larger than Saturn.

A. was                                B. being                            C. is                                D. be

1B 2A 3B 4D 5A 6A 7A 8A 9B 10A

1. B

2. A

3. B

4. D

5. A

6. A

7. A

8. A

9. B

10. A

III. Choose the best answer A, B, C or D to complete the sentences:

1. What can be done to protect people from __________ disasters?

A. environment                 B. environmental          C. environmentally       D. environmentalist

2. All our English teachers are __________ speakers.

A. native                            B. original                    C. foreign                      D. foreigns

3. The heavy rain has caused __________ in many parts of the country.

A. storms                           B. floods                       C. drought                     D. flood

4. Science is used in all corners of the world for the __________ of people.

A. interest                          B. need                          C. profits                       D. benefit

5. The new invention could have a wide range of __________ in industry.

A. applications                   B. concerns                   C. goodness                   D. advance

6. Too much carbon dioxide in the air can be __________ for humans to breathe.

A. poisonous                      B. unfriendly                 C. healthy                      D. poison

7. Teenagers often use abbreviations when ___________.

A. texting                          B. video conferencing      C. sending letters          D. talking

8. The ___________ in technology allow astronomers to know more about outer space.

A. developments               B. science                         C. exploration                D. discovery

9. To generate cheap and clean energy, instead of burning fossil fuels, scientists have developed____.

A. oil                                  B. solar panels                  C. electricity                  D. coal burning

10. Mary wondered if Neptune __________ larger than Saturn.

A. was                                B. being                            C. is                                D. be

1. B

2. A

3. B

4. D

5. A

6. A

7. A

8. A

9. B

10. A

III. Choose the best answer A, B, C or D to complete the sentences:

1. What can be done to protect people from __________ disasters?

A. environment                 B. environmental          C. environmentally       D. environmentalist

2. All our English teachers are __________ speakers.

A. native                            B. original                    C. foreign                      D. foreigns

3. The heavy rain has caused __________ in many parts of the country.

A. storms                           B. floods                       C. drought                     D. flood

4. Science is used in all corners of the world for the __________ of people.

A. interest                          B. need                          C. profits                       D. benefit

5. The new invention could have a wide range of __________ in industry.

A. applications                   B. concerns                   C. goodness                   D. advance

6. Too much carbon dioxide in the air can be __________ for humans to breathe.

A. poisonous                      B. unfriendly                 C. healthy                      D. poison

7. Teenagers often use abbreviations when ___________.

A. texting                          B. video conferencing      C. sending letters          D. talking

8. The ___________ in technology allow astronomers to know more about outer space.

A. developments               B. science                         C. exploration                D. discovery

9. To generate cheap and clean energy, instead of burning fossil fuels, scientists have developed____.

A. oil                                  B. solar panels                  C. electricity                  D. coal burning

10. Mary wondered if Neptune __________ larger than Saturn.

A. was                                B. being                            C. is                                D. be

b

a

1.They [build]......have built.......the building since 2000.

2.The machines [repair].......repaired.....yesterday afternoon and now they work well

3.Mr.Hung doesn't live near his school. I wish he [live]........lived........near his school

4.People speak English all over the world. English [speak].....is spoken........all over the world

5.''Can you do the exercises?'' Hung asked me if I [do].....did.........the exercises.

6.You [visit].........will visit........your grandparent, won't you?

7.If Nam works hard, he [pass].........will pass.....the next exam.

8.Phong wishes he [have].....had........an English dictionary.

9.Do you like [take].......taking......part in school team?= Yes, I'd like [play].........to play........with you.

10.What.....was.......Lan [do]......doing.......at 7 pm yesterday? She [watch]........was watching.....TV

11..........did.......your mother [come].......come.........[visit].......to visit.........you yesterday?

1.They [build].....have built........the building since 2000.

2.The machines [repair]...were repaired .........yesterday afternoon and now they work well

4.People speak English all over the world. English [speak].....is spoken ........all over the world

5.''Can you do the exercises?'' Hung asked me if I [do]......could do........the exercises.

6.You [visit].....will visit ............your grandparent, won't you?

7.If Nam works hard, he [pass]....will pass ..........the next exam.

9.Do you like [take]....taking .........part in school team?= Yes, I'd like [play]......to play ...........with you.

10.What......was ......Lan [do]...doing ..........at 7 pm yesterday? She [watch]....was watching .........TV

11.........Did ........your mother [come]......come ..........[visit].....to visit...........you yesterday?

1.They [build].....have built........the building since 2000.

2.The machines [repair]...are repaired.........yesterday afternoon and now they work well

3.Mr.Hung doesn't live near his school. I wish he [live].......lived.........near his school

4.People speak English all over the world. English [speak].....is spoken.......all over the world

5.''Can you do the exercises?'' Hung asked me if I [do]..could do.....the exercises.

6.You [visit].......will visit..........your grandparent, won't you?

7.If Nam works hard, he [pass].....will pass.........the next exam.

8.Phong wishes he [have].......had......an English dictionary.

9.Do you like [take].....taking.....part in school team?= Yes, I'd like [play].....to play........with you.

10.What....was........Lan [do]......doing.......at 7 pm yesterday? She [watch].......was watching......TV

11......Did....your mother [come]....come to visit............[visit]................you yesterday?

help 

1. My favourite sport is football 

2. I play football twice a week 

3. I play with my friends 

4. I play football when I complete my homeworks . At the stadium

Mình chỉ biết 4 câu đầu 

1. I like play badminton.

2. I often play it.

3. I play badminton with my friends 

4. I play it when i have free time.

5. At home,i can cook, clean the floor and sweeping to help my mom.

6. Yes, i do. Because it's interesting and help me relax.

7. I like to see a tv

8. My mom cooked chicken for yesterday, it very tasty.

9. Yes, i did

10. My mom.

11. No, there aren't

12. I get to school by car

13. Yes, there is.

14. I go to bed at 10 o'clock.

15. I rarely walk to school

16. No, i don't

17. I clean up my room once a week.

Put the verbs in brackets in the correct form :

1. John was watching ( watch ) TV at 8 : 00 last night .

2. What did you ( do ) do after you had gone ( go) home yesterday ?

3. He thinks of leaving ( leave ) his job .

4. He had done ( do ) his homework before he went to the cinema last night .

5. Please be quiet ! I am working ( work )

6. When I arrived ( arrive ) at his house yesterday afternoon , he was still sleeping ( still sleep )

1.What did the student (wear)....wear.................................. at school two years ago?

2. Where did you (put)put the cake yesterday?

3. What time did you (leave ).......leave...........................home for school yesterday?

4. What did Ba(receive).....receive ............................from Liz last week?

5. How long did he (do)......do......................this hat yesterday?

6. What time did you (go).....go..............................to bed last night?

7. Did You (go) ....go..............................to Dalat for last tet vacation/

8. Did He (have) .......have............................a lot of friends in Ho Chi Minh city 3 years ago?

9. Did  His uncle (take)...........take..................him to see Tri Nguyen aquarium last week?

10. Did Liz (buy)........buy................... a lot of souvenirs yesterday?

11. Did They (put) .....put......................the fish in the big bag last Sunday?

12. Did They (eat).........eat...................meat in her meals in Vung Tau yesterday?

13. Did I(wear)  wear the .........................cap with a dolphin om it yesterday/

14.Did Liz (teach)......teach........................... Ba some English last week/

15. Did Bad and Tan (remember) .....remember................their trip to Nha Trang last month?

16. Did Nam (return) .......return......................to Ha Noi last week?

17. I (go)......went......................to Ben Thanh market last Monday

18.He (get)........got......................up at 7 o’clock yesterday.

19. What time did you (go) ....go.................to bed last night?

20. She ( not go)........didn't go..........................to work last weekend.

21. Lan (meet).......met ..........................her at the party 3 years ago.

22. Last summer vacation,Mom (not buy).....didn't buy........................me a new buy?

23. When he (leave)............................... for work last week.(k hiểu )

24. What did you (do)......do........................... yesterday?

25. We (begin).....began...............................to learn English 3 years ago.

26. She (be)..........was...............................an engineer last week.

27. Lan (be not)..........didn't.........................at home yesterday

28He (wear) .........wear............................the shirt last week.

29. They (be ) ....were............................here yesterday.

30. Did You (go) ......go.........................to school yesterday?

31 Was Tam (be)...................................... at home last night? – Yes, he (be).was

32. Where did he (go)....go.................................... yesterday?

33. I (be).......was.................................. sick last night.

34.Why didn't you ( not come ) .......come..............................to calss yesterday?

37.We ( be ) .........were.................................. in the librery yesterday.
Xong rùi đó làm xong cho bạn mỏi hết cả mắt 

Cau 28 sua thanh wore nhe 

Mother Earth is always so wonderful. She provides us with places to live, water to drink, food to eat and fresh air to breathe but we, human, take her for grated. We would never destroy our sixty-million dollar house on Nguyen Thi Minh Khai Street and yet we burn down trees, killing the forests that are valuable resources. Even though we learn that life is the planet started from the oceans and Earth wouldn’t be the only living planet without water presence, not to mention the fact that more than 70% of human body is water, we pollute water by all means such as throwing trashes, leaking oil and toxic substances from industrial companies and automobiles. Human becomes the most dangerous threat to the environment. At the same time, we are the only one who can work together to heal the Earth.

Air pollution is partly caused by forest fire. Firstly, to safe our environment, people must be prevented from making fire by smoking or tilling near the woods. Secondly, there should always be a team of well- trained fire fighters getting ready to start their work at any time to save the forests. Lastly, taking field trips to the forests is a great way to teach young citizens to respect the nature and having better attitude toward environmental issues. Together each of us can plant a tree, can remind each other to behave better with trees and flowers on the streets, at the parks.

War is another thing that human does which hurts not only each other but also damages the environment. Actually, the military machinery and explosives such as firearms, howitzers, mines, etc. are extremely harmful to the environment! They have caused unprecedented levels of deforestation and habitat destruction. For example, the destruction of 35% of Cambodia’s intact forests due to two decades of civil conflict. The number of extinct animals, trees, and other important species also increases rapidly after the war. Even though in my biology class I learn that extinction is a part of natural selection, it is sad to know the fact that most animals and trees become extinct because of human fighting. Hence, stopping fighting or struggling against the battle will surely help protecting this Lonely Planet.

Black smoke and dark particles from factory smokestacks are another causes leading to the air pollution. Thus, in order to keep the air fresh, the government and local authorities should be stricter, the law and the rules promulgated ought to be clearer and more detailed. In addition, the board of directors of each company must consider and find all the ways to minimize the amount of the carbon emissions and recycle their waste or products more effectively as well as wisely choose less toxic materials in the process. For example, it takes 10 years for a tint can to be completely absorbed by the soil so there should be a better material to make canned food. On the one hand, environmentalists have to discuss about the problems with the company leaders and help them to figure out good solutions. On the other hand, our country is always proud of the International Chemistry Awards that students win each year. Why not take advantage of those young talented students? If there are chances and awards given for students who can come up with more effective solutions for those complicated industry problems, the results will be great.

There are simple daily baby steps that each of us, students, adults, girls, and boys can do to save the Earth. Riding bikes (or using buses) is a good hobby. It is an interesting activity bringing us energy and excitement. More than that, the atmosphere will not be polluted by carbon dioxide exhausted from motorbike race cans. At home, recycling paper, plastic, glass bottles, cardboard, and aluminum cans is one of the ways conserving energy and reducing production emissions. Going shopping, we are recommended to choose products that have less packaging and can be reusable like rechargeable batteries. Instead of using plastic bags, shopping with a canvas bag is a very good solution.

Not only the air but also the water is being polluted. Comprising over 70% of the Earth’s surface, water is undoubtedly the most precious natural resource that exists on our Green Planet. In some places like where it is overpopulated, India, Africa, water becomes shortage as people no longer have enough water supplies. Farmers are infecting this invaluable resource by using fertilizers and insecticides in very careless way these days. Will you be afraid that the water bottles you just bought contain the remaining toxic substances? Will that fact make you start to think twice before doing something to the environment? Using pesticide hurts everyone: the soils, the water, the farmers’ health, and of course, the consumers’ health. Lots of people can contribute some helps to resolve this problem. Medical doctors may spend their time talking about cancer and other chemical exposed related diseases while students may give out posters and more talks to those husbandmen. At the same time, the government can take a step further by encouraging the farmers to grow organic products and make sure they will have markets to consume their products. Lastly, chemists and agricultures engineers will make a good team to discover more effective methods.

Most of us enjoy breathing in the smell of fresh flower early morning, watching a yellow leave falling into a blue river. It is sad for our next generation if the only thing they can smell is the plastic mask that they wear everyday since the environment is so polluted and toxic to inhale. Just imagine that your kids don’t have the concept “forests” and “rivers,” they only know those terms in a cyclopedia and see those things in pictures. For the benefit of ourselves and our children, we must take good care of the Earth nurtures us generation after generation. We have two choices: to take good care of the Earth or everything becomes extinct./

Exercise 3.the simple past or past perfect

1.What HAD you DONE (do) there before you RETURNED(return) home ?

2.When I CAME(come) to his house yesterday,his mother TOLD(tell) me that he HAD GONE(go) to the cinema with his friend 2 hours before.

3.He (go)WENT to England after he (study)HAD STUDIED English for 2 years.

4.Before they (go)WENT very far ,they (find)FOUND that they (lose)HAD LOST their way.

5.When their father (get)GOT home from work, they (tell) TOLD him that they HAD already (cook)COOKED the dinner.

7.When Peter (arrive)ARRIVED at the cinema, the film HAD already (start)STARTED .

8.The boy (say)SAID that he (do)HAD DONE all the homework before he (go)WENT to bed.

9.The children (begin)BEGAN to do the exercise after they HAD REWIED (review) all the rules.

10.He (make)MADE the report on the history of England after he HAD READ (read) a lots of books about ..

11.He thanked me for what I (do)HAD DONE for him.

12.We arrived here late .The train (leave)HAD LEFT.

13.The film (show)HAD SHOWN for 10 minutes when we came.

14.When I (discover)DISCOVERED that my camera (steal)HAD BEEN STOLEN, I called the police at once.

15.He kept looking at her,wondering where he HAD SEEN (see) her before.

16.I (put)HAD PUT the 5$ note in one of my books,but next day it TOOK (take) me ages to find it because I FORGOT(forget) which book I put it into.

17.I (not read)HADN'T READ a book as intersting as the book I read yesterday.

Exercise 3.the simple past or past perfect

1.What had you (done) there before you (returned) home ?

2.When I (came) to his house yesterday,his mother (told) me that he (had gone) to the cinema with his friend 2 hours before.

3.He (went) to England after he (had studied) English for 2 years.

4.Before they (had gone) very far ,they (found) that they (had loose) their way.

5.When their father (got) home from work, they ( told) him that they had already (cooked) the dinner.

6.By the time he (returned) home from England,they had already (built) a new house for him.

7.When Peter (arrived) at the cinema, the film had already (started).

8.The boy (said) that he (had done) all the homework before he (went) to bed.

9.The children (began) to do the exercise after they (had reviewed) all the rules.

10.He (made) the report on the history of England after he (had read) a lots of books about ..

11.He thanked me for what I (had done) for him.

12.We arrived here late .The train (had left).

13.The film (had shown) for 10 minutes when we came.

14.When I (discovered) that my camera (had been stolen), I called the police at once.

15.He kept looking at her,wondering where he (had seen) her before.

16.I (had put) the 5$ note in one of my books,but next day it (took) me ages to find it because I (forgot) which book I put it into.

17.I (had not read) a book as intersting as the book I read yesterday.

1 had you done - returned

2 came - told - had gone

3 went - had studied

4 went - found - had lost

5 got - told - had

6 returned - had built

7 arrived - had already started

8 said - had done - went

9 began - had reviewed

10 made - had read

11 had done

12 had left

13 had shown

14 discovered- had been stolen

15 had seen

16 had put - took - forgot

17 had not read