I Reoder:
1.this time tomorrow/ English/ They/ will be learning.
2.to save/ will reduce/ our energy/ the use of electricity/ We.
3.in our country/ source of energy/ a renewable/ will be/ Wind.
4.will be replaced/ Coal/ renewable source/ by another.
5.biogas/ is/ cooking and heating/ I think/ for/ abundant and cheap.
6.Solar energy/ in the world/ by many countries/ will be used.
7.because/ a non-renewable energy source/ to replace it/ Petroleum is/ it takes a long time.
8.effectively/ sources of energy/ in our country/ will be developed/ Alternative.
9.we use/ travelling long distances/ public transportation/ Will/ when?
10.of energy / are / the wind and the sun / Why / alternative sources / called?
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