What way can you think of ______ the mice in the room?
We’d better __________ some food now.
Mr. White is fixing his computer because there is __________ wrong with it.
—Must I sweep the floor now, Miss Jackson?—No, you __________. You can do your homework first.
Beihai Park is one of __________ parks in Beijing.
—__________ people are there in the meeting room?—About 200.