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