I.
1.Nam usually goes to school by bus. Sometimes, he rides his bicycle.
->How does Nam usually go to school?
2.My grandfather used to go fishing in the West Lake every afternoon.
->What did your father use to do in the West Lake every afternoon?
3.There are a lot of trucks and cars on the highway in the rush hour.
Where are a lot of trucks and cars in the rush hour?
4.The students used to be taught about road signs when they studied in secondary school.
What did the students use to be taught about when they studied in secondary school?
5.Hung always drives his car very carefully.
How does Hung always drive his car?
6.It is about 100 km from Ha Noi to Hai Phong.
How long is it from Ha Noi to Hai Phong?
III.
1.is
2.is
3.jam
4.walked
5.Are
6.use to
7.to
8.catches
9.from
10.used to
11.It
12.station
IV.
1.B
2.F
3.E
4.A
5.D
6.C