Steve: Hello, Mrs Brown. 1)
Mrs Brown: Yes, he's in his room.
Steve: Thanks. ... Hi, Mark!
2)...
Mark: Hi, Steve. Yes, it's really big.
Steve: You've got a TV, a DVD player and
a computer. 3) ....
Mark: It's my brother's.
Steve: 4) .....
................... You've
got everything in your room!