--- Catherine, I have cleaned the room for you.---Thanks. You _______ it. I could manage it myself.
The old man needs _________ .
I think all the workers, ________ the leader _____ playing the most important role.
He _____ a carpet on the floor and then _____ on it.
School children must be taught how to deal with dangerous_________ .
It was foolish of him to _______his note during that important test, and as a result, he got punished.