Rearrange the words to make a meaningful sentence

Rearrange the words to make a meaningful sentence.
1. everything/ will/ Solar energy/ power/ for/ green future/ the/.
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2. instead of/ You/ picked up/ probably/ my keys/ yours/.
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3. the/ think/ will/ most popular means/ transport/ smart bikes/I/ be/ of/.
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5. travel/ by/ people/ will/ on/ driverless/ 2050/ most/ trains/?
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7. future/solar/very/in/energy/be popular/the/will/.
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8. travel/ Many/ spaceship/ the/ 2030/ people/ on/ moon/ a/ will/ to/ by/