Are the children hopping?
No, they aren't.
The library is above the ...
café / restaurant / canteen
The children and the teacher are in the ...
library
What is the boy doing?
He is listening to music.
What is the boy doing?
He is climbing (the bookcase) / He is looking (at the other boy).
Has the teacher got brown hair?
Yes, she has.
What are the boys doing?
They are talking (loudly).
What is the girl doing?
She is laughing.