There are five people in the room, but I know _____.
I like sleeping with the window open ______ it’s too cold.
When the teacher came in, the students stopped _______ and became very ________.
Don’t worry about Peter. He is _______ to get over the problem.
—How about raising money for the poor children in our school?— .
I think teenagers should do some meaningful things instead of ________ too much.