I. Choose the best option:
1. Biogas is ____________ and cheap for cooking and heating.
A. plenty B. abundant C. serious D. expensive
2 Remember to ____________ the lights before going to bed.
A. turn B. turn off C. turn on D. stop
3. It is a good idea to use ____________ when travelling long distances.
A. cars B. taxis C. private cars D. public transport
4. What should we do to ____________ electricity?
A. cut B. take C. save D. waste
5.__________ source of energy is the source that can’t be replaced after use.
A. Renewable B. Natural C. Effective D. Non-renewable
6. We will use more _____________ energy in the future.
A. sun B. sunny C. solar D. sunlight
7. My brother and I often come to school ___________ foot.
A. at B. in C. by D. on
8. We are looking for cheap, clean and ____________ sources of energy.
A. effective B. efficient C. serious D. dangerous
9. The boys ____ home for lunch because they are planning to visit the hydro power station.
A. have not come B.do not come C. will not be coming D.is not coming
10. It is going to rain any minute now. The children ___________ in the rain.
A.is being caught B. will be caught C.is caught D. are caught
11. They ___________ a test tomorrow; we don’t want to disturb them.
A .will be having B. will have C. have D. had
II. Use the cues given to write correct sentences.
1. For a long time/ people/ use water/ power machines.
........................................................................................................................
2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water.
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3. We/ use energy/ the sun, the wind, and the water.
.......................................................................................................................
4. Many countries/ already using/ solar energy.
........................................................................................................................
5. The earth’s fossil fuels/ running out.
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6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or
waste natural resources.
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7. Recently/ wind/ use/ generate electricity.
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Rearrange the words to make meaningful sentences .
1. Solar energy/ in the world/ by many countries/ will be used/.
…………………… ……………………………..…………….…………………………
2. to another/ How/ you travel from / will/ one place/?
 …………………… ……………………………..…………..…………………
3. to save/ will reduce/ our energy/ the use of electricity/ We/.
………………….… …………………………..…………………………..………………
4. People in the countryside will increase the use of biogas for cooking.
 The use of biogas ………………………………………………………………….
5. They will build a hydropower station in the North of the country next decade.
 A hydropower station ………………………………………
6. We will solve the problem of energy shortage by using solar energy.
 The problem of energy shortage …………