Exercise 1. Complete the sentence with the correct preposition in, on or at.

1.  I’ve got a computer _________ my bedroom.

2.  Do you live _________ a house or an apartment?

3.  He is sitting _________ a sofa _________ the corner of the sitting room.

4.  There is such a mess _________ the kitchen!

5.  The dog is sleeping _________ the carpet.

6.  We live _________ the 3rd floor _________ 53 Pine Street _________ London.

7.  Jane is waiting for a bus _________ the bus stop.

8.  Are there any pictures _________ the walls _________ the living room?

9.  We are staying _________ the Roosevelt Hotel _________ New York City.

10. My camera is _________ a box _________ a shelf _________ the bedroom closet.