1) D
2) C
3) E
4) B
5) A
ii)
1) C
2) B
3) B
4) A
5) A
III)
1) The roads in Vietnam are too narrow to travel easily
2) How far is it from your house to the bookstore?
3) Mai used to go to school on foot when she studied in primary school
4) It is very important to obey the traffic rules when use road
5) It's ten kilometres from the town to the airport
6) Two days ago, we stucked in traffic jams over 2 hours
7) Most streets in the city centres was congested by rush hour
8) Did you used to have tricycle when you were a child?