Arrange the words to make meaningful sentences

I. Arrange the words to make meaningful sentences. 
1. big/ traffic congestion/ can/ what/ do/ to/ we/ reduce/ cities/ in?
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2. is/ the/ your/ train station/ how/ hotel/ to/ far/ it/ from ?
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3. my/ it/ not/ is/ far/ very/ house/ from/ to/ school.
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4. think/ I/ it's/ time/ to/ do/ to/ reduce/ in/ something/ traffic jams/ Vietnam.  
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5. used/ school/ on/ Mai/ foot/ she/ to/ go/ to/ was/ in/ when/ primary school. 
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6 there/ city center/ traffic jams/ are/ the/ in/ rush hour/ often/ the/ in. 
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7. about/ people/ use/ in/ worry/ the past/ traffic/ didn't/ congestion/ to. 
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8. wear/ a/helmet/ compulsory/ is/ when/ in/ it/ to/ riding/ Vietnam/ a/ motorbike.
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