—This work is very hard. I’m afraid we need more people to help us.—You are right. I think we need______A. three more B. every three C. only three
It’s easy ________ chess.
How long does it take you _____ to work?
_____ our group, Li Fei often goes to bed late _____ school nights.
—What time do you usually get _____?—Well, _____ six thirty.
There are ______ rules in my family, so what can I do?