They________here for more than ten years.
---What he enjoys _____ great and interesting. ---Yes,____ it's dangerous.
---Why not for a walk with me this afternoon?---I prefer computer games at home.
---Why don't you go to the lecture-room and listen to the talk? ---I hear there isn't ________in it.
There are books on the shelf. And them is about three hundred.
Do you know what in the room at the moment?