The problem children often get into trouble ____ teachers.
— Will you please write your note on “Red Apple” and _____ it to me tomorrow morning?— What about the day after tomorrow? My computer doesn’t work well now.
— What do you think the teachers in your school are like?— I think they are very kind, _____ they look serious.
— Why do you like comedies? — Because they’re _____ .
— What _____ does he like best? — He likes running.
There is _____ on the bed.