—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
My classmate always __________ a pen ____________me.
.Everyone should learn ___________about the world.
We go to play volleyball ___________ Friday afternoon.
The students in her class are never late _____ school and they’re nice ____ each other.
It is very good for students to do ___________ in the morning.