--- Excuse me, what is on the wall of the classroom?--- Oh, ______ a blackboard , two doors and five windows.
When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games.
--- Would you please give him the paper the moment he _______? --- No problem.
He enjoys a cup of coffee in the afternoon sometimes, but ______ he drinks tea.
The teacher found him ________ and gave him some different homework to do every day.
--- Are you interested in basketball? --- _________.I__________ watch it than play it.