4, House in the country is less expensive than houses in the city.

5, My house is not near the post office.

6, What is your brother’s age?

7, There are four rooms, a bathroom and a kitchen in her house.

8, What is the occupation of Lan and Nga?

9, The red car is more expensive than the black car.

10, The  bathroom has a sink, a tub and a shower.

11. what a bright room!

12, I’d like a glass of orange juice.

13, It’s never warm in the winter.

14, What’s your address?

15, He looks after sick children 

16, Hoa is the tallest student in her class.

17, What naughty children!

18. lesson three is harder than lesson one