-- _____is that used for?---_____ the floor.
Most of the students felt rather disappointed at the English party. They say that it ______ better organized.
With so much work on hand, you _____ to see the game last night.
If you really want yourself to be in good health, you must ___ always ___ so much.
One ought _____ for what one hasn’t done.
I didn’t see her in the meeting room this morning. She _____ at the meeting.