Rick often does ____ homework at 6:00.
—Do you often help your brother with his English?—No. He learns English by ________.
—Don’t _________ time talking to him. He won’t change his decision.—I agree with you.
The light in the room was _____, but nobody was in.
--Could you please _____ in the room?--Oh, I’m sorry.
_____ have you been swimming? For five years.