1. My hover scooter is over there. (mine)
-> Mine is over there
2. Is her jet pack red? (hers)
-> Hers is red
3. What is the price of a kilo of beef? 
-> How much does a kilo of beef cost?
4. They will use solar energy to protect the environment.
-> Solar enery will be used by them to protect the environment
5. How long did she spend doing her homework every day?
-> How long did it  take spend doing her homework every day?
6. What is the distance between Hue and Da Nang?
-> How far is it from Hue to Da Nang.?
7. I often went to primary school on foot. 
-> I used to go to primary school on foot
8. Road users should obey traffic rules strictly.
-> Traffic rules should
 

2 Make the questions for the underlined parts in the following sentences

1. Most of my classmates go to school by bike.

What do most of your classmates go to school with?

2. It is about three kilometres from my house to school.

How long does it take from your house to school?

3. The students are playing football in the school yard.

What are students doing in the school yard?

4. There are often traffic jams in the city centre in rush hour

When do traffic jams in the city centre?

5. My father used to go fishing in the pond behind my house.

Where does your father usually go finishing?

6. Trung usually rides his bike very carefully.

How does Trung usually rides his bike?

7. I don’t like skate-boarding because it is dangerous.

Why don’t you like skate-boarding?

8. Those are Lan’s photos. ->Who photos are these?