1.Trung is the tallest in the group.
2.Your house is smaller than my house.
3.The red car is more expensive than the black.
4. It takes me half of an hour to get to work.
5. It takes me two hours to play game.
6. It took him 15 minutes do the wasing.
7. He spends 20 minutes walking to school.
8. It takes her one hour to cook every day.
9. I spend 10 minutes cooking dinner.
10. How much does this dictionary cost ?
11. What is the price of this coat ?