III. Choose the best answer from A, B, C or D 

1. By the middle of the 21st century, people in developing countries ____ more renewable energy. 

A. uses B. will be using C. used D. have used 

2. The wind, the sun, and the wave are some types of ____________ sources of energy. 

A. changeable B. alternative C. cheap D. costly 

3. Alternative sources of energy ____________ developed in the near future. 

A. is B. will C. has been D. will be 

4. Fossil fuels are very common in our society but they ____________ the environment. 

A. renew B. provide C. waste D. pollute 

5. “Why is it called a _____________ source?” – “Because it can be replaced easily and quickly.” 

A. effective B. specific C. renewable D. non-renewable 

6. Hydro power is _____________ because dams cannot be built in certain areas. 

A. limited B. unlimited C. abundant D. available 

7. At this time next week, we ______________ a wind turbine in our garden. 

A. install B. installed C. will installed D. will be installed 

8. Biogas is ____________ and cheap for cooking and heating. 

A. plenty B. abundant C. serious D. expensive 

9. A hydropower station ______________ in the North of the country nex year. 

A. was built B. is built C. will be built D. has been built 

10. We should put ___________ on our roof for the heating and hot water. 

A. solar energy B. equipment C. cracks D. solar panels 

11. Remember to ____________ the lights before going to bed. 

A. turn B. turn off C. turn on D. stop 

12. It is a good idea to use ____________ when travelling long distances. 

A. cars B. taxis C. private cars D. public transport 

13. What should we do to ____________ electricity? 

A. cut B. take C. save D. waste 

14. We shout use _____________ light bulbs in our homes. 

A. low energy B. little energy C. a bit energy D. efficient 

15. In my opinion, nuclear power is not only expensive but also _________ to our environment. 

A. danger B. dangerous C. risk D. disaster 

16. Someone’s carbon __________ is a measurement of the amount of carbon dioxide that their activities produce. 

A. effect B. amount C. footprint D. energy 

17. Several governments try to ____________ the use of fossil fuels. 

A. reduce B. increase C. waste D. save 

18. We are looking for cheap, clean and ____________ sources of energy. 

A. effective B. efficient C. serious D. dangerous 

19. __________ source of energy is the source that can’t be replaced after use. 

A. Renewable B. Natural C. Effective D. Non-renewable 

20. Wave energy is a source of ____________energy. 

A. environment friendly C. environmentally friendly 

B. environmental friendly D. environmentally friendliness 

21. Solar power can be ______________ into electricity 

A. generated B. converted C. invested D. driven 

22. Fossil fuels can be used to _______________ electricity or drive big machinery 

A. create B. generate C. convert D. build 

23. Last night, I didn’t go to bed early ___________ being very tired. 

A. because of B. although C. because D. in spite of 

24. ____________ they spent a lot of money on the film, it wasn’t a big success. 

A. Nevertheless B. However C. When D. Although

II. Choose the word or phrase that best completes each unfinished sentence below  

1.By the middle of the 21st century, people in ………… countries will be using more renewable energy.          

            A. developing                           B. develop                    C. to develop                   D. development                                                               

2. Alternative sources of energy___ developed in the near future.

A. is                             B. was                          C. has been                  D. will be

3. “Why is it called a ____________ source?” – “Because it can be replaced easily and quickly.”                                            

 A. effective                  B. specific                    C. renewable                      D. non-renewable                                     

 4. Hydro power is _____________ because dams cannot be built in certain areas.                                                     

 A. limited                     B. unlimited                     C. abundant               D. enough                                                           

5. At this time next week, we ______________ a wind turbine in our garden.                                                      

A. install                       B. installed                       C. will installed          D. will be installing                                          

6. Biogas is _____ and cheap for cooking and heating.

A. plenty                      B. abundant                  C. serious                     D. expensive   

7. A hydropower station ______________ in the North of the country next year.                                            

            A. will be built              B. were built                    C. was built               D. has been built                                                           

Bài 2. Choose the best anwser (A, B, C or D) to complete the sentences.
1. At this time next week we…………………………….to work to support the air pollution cutting down campaign.
A. are cycling B. will be cycling C. will cycle D. will be cycled
2. Someone's carbon……………………is a measurement of the amount of carbon dioxide that their activities produce.
A. footprint B. energy C. effect D. amount
3. Remember to………………..the lights before going to bed.
A. turn on B. stop C. turn D. turn off
4. We will cut down the use of natural gas because it is…………….and harmful to the environment.
A. available B, abundant C. plenty D. limited
5. Hydro power is .................because dams cannot be built in certain areas.
A. abundant B. enough C. limited D. unlimited
6………………… source of energy is the source that can't be replaced after use.
A. Effective B. Non-renewable C. Renewable D. Natural
7. Which of the following is NOT renewable source of energy?
A. wind B. coal C. hydro D. solar
8. We are looking for cheap, clean and………………………sources of encrgy.
A. serious B. dangerous C. effective D. efficient
9. By the middle of the 21st century, people in developing countries…………..more renewable energy.
A. used B. have used C. uses D. will be using
10. If we go on…………………electricity, we will have to pay a lot next month.
A. turning on B. widened C. wasting D. increasing
11. Biogas is……………….and cheap for cooking and heating.

A. serious B. expensive C. plenty D. abundant
12. We should put………………….on our roof for the heating and hot water.
A. equipment B. cracks C. solar energy D. solar panels
13. In many countries, people think that electricity, gas and water are not luxuries………but
A. necessities B. appliances C. sales D. consumers
14. We should use………… light bulbs in our homes.
A. a bit energy B. efficient C. low energy D. little energy
15. A hydropower station……………………..in the North of the country next year.
A. will be built B. has been built C. was built D. were built

I. Choose the correct answer to completeeach following sentence by circling A, B, C or D:

1. We _________ solar panels in the schoolyard while you are checking cracks in the water pipes.

A. Have put B. will be putting C. will put D. put

2. At 7.00 tomorrow, you __________ to school.

A. Cycle B. will cycle C. will be cycling D. will be cycled

3. Solar energy __________ by many countries in the world in the future.

A. Use B. will use C. will be using D. will be used

4. At this time tomorrow, I __________ an interview.

A. Will be having B. will have C. Had D. have

5. Coal is a _________ energy.

A. nuclear B. solar C. biogas D. natural

6. We should ___________ low energy light bulbs.

A. use B. using C. used D. to use

7. The wind turns ____________ to make electricity.

A. fans B. leaves C. turbines D. kites

8. We___________ an English test tomorrow.

A. Will have B. have C. has D. had

9. Solar energy will__________ to solve the problem of energy shortage.

A .Use B. be used C. used D. using

10. You should turn ___________ the lights when leaving the rooms.

A. On B. Off C. Right D. left

( GIÚP MK VỚI Ạ, MK CẦN GẤP )

1.By the middle of the 21st century, people in developing countries ___ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun and the wave are some types of ___ sources of energy.
A. changable
B. alternative
C. cheap
D. costly
3. Alternative soures of energy ___ developed in the near future.
A. is
B. was
C. has been
D. will be
4. Fossil fuels are very common in our society but they ___ the environment.
A. renew
B. provide
C. waste
D. pollute
5. "Why is it called a ___ source?" - "because it can be replace easily and quickly"
A. effective
B. specific
C. renewable
D. non-renewable
6. Hydro power is ___ because dams connot be built in certain areas.
A. limited
B. unlimited
C. abundant
D. enough
7. At this time next week, we ___ a wind turbine in our farden.
A install
B. installed
C. will installed
D, will be installed
8. Biogas is ___ and cheap for cooking and heating
A. plenty
B. abundant
C, serious
D. expensive
9. A hydropower station ___ in the North of the country next year.
A. was built
B. were built
C. will be built
D, has been built
10. We should put ___ on our roof for the heating and hot water.
A. solar energy
B. equipment
C. cracks
D. solar panels
11. Remember to ___ the lights before going to bed.
A turn
B, turn off
C, turn on
D, stop

12. it is a good idea to use ___ when travelling long distances.

A cars

B taxis

C. private cars

D. public trans prot

13. What should we do to ___ electricity?

A. cut

b. take

c,save

d, waste

14. we shout use ___ light bulbs in our homes

a, low energy

B. little energy

c, a nit energy

d, efficient

1. By the midle of the 21st century,people in developing countries.....more renewable energy

A.use B.will be using C.used D.have used

2. Alternative sources of energy...developed in the near future.

A.is B.was C.has been D.will be

3. Why is it called a...source? - because it can be replaced easily and quickly

A.effective

B.specific

C.renewable

D.non- renewable

4. Hydro power is ... because dams cannot be built in certain areas

A.limited

B.unlimited

C.abundant

D.enough

Choose the best answer to complete each of the following sentences.

1. The wind, the sun, and the wave are some types of __________ sources of energy.

A. changeable B. alternative C. cheap D. costly

2. Remember to __________ the lights before going to bed.

A. turn B. turn on C. turn off D. stop

3. People will reduce energy __________ as much as possible.

A. consume B. consumption C. expense D. expenses

4. Nuclear power is expensive and dangerous __________ our environment.

A. for B. to C. in D. with

5. Human is looking for a clean, cheap and __________ sources of energy.

A. effective B. effect C. effectively D. effectiveness

6. Low energy light bulbs should be used to __________ electricity.

A. spend B. buy C. convert D. save

7. We must __________ the amount of water our family used every day.

A. lower B. reduce C. lessen D. narrow

8. At this time next month we __________ to Ha Long Bay for a holiday.

A. will go B. will going C. will be gone D. will be going

9. By the middle of the 21st century, people in developing countries __________ more renewable energy.

A. uses B. will be using C. used D. have

10. Fossil fuels are very common in our society but they __________ the environment.

A. renew B. provide C. waste D. pollute

11. When you save energy, you not only save money, you also reduce the demand for __________ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint B. electricity

C. fossil fuels D. biogas

12. In India, the demand for __________ has always been more than the supply.

A. shortage B. sources C. slogan D. electricity

13. __________ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro B. Nuclear C. Solar D. Wind

14. There are many available __________ power sources in Vietnam including sun, wind, water, etc.

A. nuclear B. hydro C. renewable D. solar

15. Laos and Cambodia have big plans for building up to 11__________ on the lower Mekong.

A. dams B. slogans C. energy D. coals

Choose the correct answers.

16. What should we do to________ electricity?

a. cut b. take c. save d. waste

17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce.

a. effect b. amount c. footprint d. energy

18. _____ source of energy is the source that can't be replaced after use.

a. Renewable b. Natural c. Effective d. Non-renewable

19. We are looking for cheap, clean and _____ sources of energy.

a. effective b. efficient c. serious dangerous

20. We should put______ on our roof for the haeting and hot water.

a. solar energy b. equipment c. cracks d. solar panels

21. We should use______ light bulbs in our homes.

a. low energy b. little energy c. a bit energy d. efficient

22. In my opinion, nuclear power is not only expensive but also_____ to our environment.

a. danger b. dangerous c. risk d. disaster

23. Several governments try to _____ the use of fossil fuels.

a. reduce b. increase c. waste d. save

24. It is a good idea to use_____ when travelling long distances.

a. cars b. taxis c. private cars d. public transport

25. Wave energy is a sorce of______ energy.

a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness

26. Remember to_____ the lights before going to bed.

a. turn b. turn off c. turn on d. stop

27. A hydropower station_____ in the North of the country next year.

a. was built b. were built c. will be built d. has been built

28. Biogas is_____ and cheap for cooking and heating.

a. plenty b. abundant c. serious d. expensive

29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.''

a. effective b. specific c. renewable d. non-renewable

30. At this time next week, we_____ a wind turbin in our garden.

a. install b. installed c. will installed d. will be installing

31. Alternative sources of energy______ developed in the near future.

a. is b. was c. has been d. will be

32. Hydro power is_____ because dams cannot be built in certtain areas.

a. limited b. unlimited c. abundant d. enough

33. Fossil fuels are very common in our society but they_____ the environment.

a. renew b. provide c. waste d. pollute

34. By the middle of the 21^stcentury, people in developing countries_____ more renewable energy.

a. uses b. will be using c. used d. have used

35. The wind, the sun, and the wave are some types of______ sources of energy.

a. changeable b. alternative c. cheap d. costly