Viết lại câu: Thousands of homes were flooded two year ago

1.thousands of homes were flooded two year ago
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2.many people think that robots will make workers
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3.it's no good be impatient with small children
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4.there are frequent outbreaks of cholera because of people drinking treated water
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5.it's no good to reparing old computers in my office
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6. at this time tomorrow i am sitting for my math exam 
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7 we can't contact her because of lack communication channels 
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8. the bicycles making in japan are very valuable nowadays 
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