I. Use the cues given to write correct sentences.
1. Many countries/ already using/ solar energy.
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2. save/ energy/ one/ best/ way/ conserve/ natural/ resources.
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3. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power.
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4. plant/ tree/ create/ shade/ around/ house/ help/ keep/ cool.
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5. This power/ could/ provide/ sun.
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6. not leave/ fridge/ open/ cold air/ escape/ use/ lot/ electricity.
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7. One percent/ solar energy/ reach/ earth/ enough/ provide power/ the total population.
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8. Turn/all/light/every/time/leave/room.
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