C
1:C
2:D
3:B
4:C
Rewrite the sentences, beginning as shown, so that the meaning stays the same.
1. You forgot to turn off the TV last night, didn’t you? You didn’t remember 2. I think you should go to work by bike. Why don’t 3. Mr Long lived in the countryside when he was a child. Mr Long used 4. We will plant more trees along this street. More trees 5. Is pollution the most serious problem? Pollution is1. For a long time/ people/ use water/ power machines.
2. Solar panels/ place/ the roof/ a house/ and/ sun’s energy/ use/ heat water. .
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.
6. We/ looking/ cheap, clean, effective source/ energy/ not cause pollution or waste natural resources.
7. Recently/ wind/ use/ generate electricity. .
8. The sun/ supply/ all energy/ used/ grow plants/ evaporate water/ rain/ and/ maintain/ temperature/ planet
9. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power. .
10. Today/ water power/ mostly/ use/ generate electricity.
11. This power/ could/ provide/ sun. .
12. If we/ able/ collect solar energy/ we/ be sure/ have enough power.
13. Scientists/ try/ find/ other alternative sources/ energy.
14. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population.
15. Viet Nam/ an advanced technology/ solar energy. .
16. The energy/ store/ a number of days. 17. Car/ use solar energy/ gas/ by the year 2030.
.18. Energy/ wind/ use/ centuries/ move ships, grind grain, pump water/ and/ do other forms/ work. 19. On/ cloudy/ you/ use/ solar energy/ too.
20. Almost all our energy/ come/ oil/ gas/ natural gas. We/ them/ fossil fuels. ........................................................................................................................
1. People / love / festival / because of / advantages / they / bring / about. 2. Festivals / good / for / community. ........................................................................... 3. Festivals / create / opportunity / for / the / people / take / part / festival / activities. ................................................................................ 4. Festivals / help / people / cooperate / with / one / another. ................................................................................ 5. People / can / understand / more / about/and appreciate / their / cultural / values. ........................................................................................................................