Find the mistakes. Rewrite the sentences correctly. Some sentences are correct.

1.  In my country, people live usually in apartments and not houses.

2.  My uncle keeps his car always in the garage because it is very expensive.

3.  Our sink sometimes makes a very strange noise.

4.  I have a housemate but I don't see very often him - he is always studying.

5.  In your country, do people usually celebrate their 18th birthday with a party?

6.  Do you prefer to do your homework in your bedroom?