Choose the best answer:
Chọn câu trả lời đúng nhất để hoàn thành câu
1. The boys ………………… home for lunch because they are planning to visit the hydro power station.
A. is not coming
B. will not come
C. will not be coming
D.do not come
2. Nuclear energy can ………………………. enough electricity for the world’s needs, bit it is expensive.
A.provide ( cung cấp ) 
B. Serve
C. give
D.adapt
3. At 7.00 tomorrow, you ……………………… to school.
A.will cycle
B. Cycle
C.will be cycling
D. will be cycled
4. …………………………. sources of energy will be developed quickly.
A.effective
B.Wind
C.alternative ( thay thế ) 
D.hydro
5. Sea wave is a …………………….. source because it be replace easily and quickly.
A.non-renewable
B. Renewable ( tái tạo )
C.alternative
D.clean
6.We should put ..................... on ourroof forthe heating and hot water
A. solar energy
B. equipment
C. cracks
D. solar panels ( pin năng lượng mặt trời )
7.Remember to ....................... the lights before going to bed.
A. turn
B. turn off ( tắt ) 
C. turn on
D. stop
8.What should we do to ................................ electricity?
A. cut
B. take
C. save ( tiết kiệm ) 
D. waste
9.Several governments try to ........................... the use of fossil fuels
A. reduce ( giảm ) 
B. increase
C. waste
D. save
10...................... source of energy is the source that can’t be replaced after use
A. Renewable
B. Natural
C. Effective
D. Non-renewable
11. We should use ........................ lightbulbs in our homes
A. low energy ( năng lượng thấp )
B. little energy
C. a bit energy
D. efficient
12. It is a good idea to use ........................... when travelling long distances
A. cars
B. taxis
C. private cars
D. public transport ( phương tiện công cộng )
13. The wind, the sun and the wave are some types ....................... of sources of energy.
A. changeable
B. alternative
C. cheap
D. costly
14. Fossil fuels are very common in our society but they ................................ the environment.
A. renew
B. provide
C. waste
D. pollute ( ô nhiễm )
15. Biogas is ............................... and cheap for cooking and heating
A. plenty
B. abundant ( phong phú ) 
C. serious
D. expensive
16.In my opinion, nuclear power is not only expensive but also ....................................... to our environment
A.danger
B.dangerous ( nguy hiểm ) 
C.risk
D.disaster

1. The boys ………………… home for lunch because they are planning to visit the hydro power station.
A. is not coming
B. will not come
C. will not be coming
D.do not come
2. Nuclear energy can ………………………. enough electricity for the world’s needs, bit it is expensive.
A.provide
B. Serve
C. give
D.adapt
3. At 7.00 tomorrow, you ……………………… to school.
A.will cycle
B. Cycle
C.will be cycling
D. will be cycled
4. …………………………. sources of energy will be developed quickly.
A.effective
B.Wind
C.alternative
D.hydro
5. Sea wave is a …………………….. source because it be replace easily and quickly.
A.non-renewable
B. Renewable
C.alternative
D.clean
6.We should put ..................... on ourroof forthe heating and hot water
A. solar energy
B. equipment
C. cracks
D. solar panels
7.Remember to ....................... the lights before going to bed.
A. turn
B. turn off
C. turn on
D. stop
8.What should we do to ................................ electricity?
A. cut
B. take
C. save
D. waste
9.Several governments try to ........................... the use of fossil fuels
A. reduce
B. increase
C. waste
D. save
10...................... source of energy is the source that can’t be replaced after use
A. Renewable
B. Natural
C. Effective
D. Non-renewable
11. We should use ........................ lightbulbs in our homes
A. low energy
B. little energy
C. a bit energy
D. efficient
12. It is a good idea to use ........................... when travelling long distances
A. cars
B. taxis
C. private cars
D. public transport
13. The wind, the sun and the wave are some types ....................... of sources of energy.
A. changeable
B. alternative
C. cheap
D. costly
14. Fossil fuels are very common in our society but they ................................ the environment.
A. renew
B. provide
C. waste
D. pollute
15. Biogas is ............................... and cheap for cooking and heating
A. plenty
B. abundant
C. serious
D. expensive
16.In my opinion, nuclear power is not only expensive but also ....................................... to our environment
A.danger
B.dangerous
C.risk
D.disaster