Sắp xếp lại các từ để tạo thành câu đầy đủ

Sắp xếp lại các từ để tạo thành câu đầy đủ. Example:
Question: the/ dangerous/ flood/ disasters/ in/ most/ world/ of/ the/ is/ one.
Correct answer: Flood is one of the most dangerous disasters in the world.
1. other/ life/ on/ do/ planets/ you/ intelligent/ exists/ think?
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2. if/ me/ what/ I/ asked/ would/ she/ do/ I/ a UFO/ saw.
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3.natural/ typhoons and floods/ the/ in/ most/ are/ frequent/ Vietnam/ disasters?
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4. a/ Friday/ by/ 6.9/ Indonesia/ magnitude/ was/ earthquake/ powerful/ on/ struck.
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