—Our school is beautiful! —It will be more beautiful if more trees and grass _____ by us. A. plant B. is planted C. are planted
—Lily, _____ you _____ your ticket? —Not yet!
When the player finished running, he was out of _____.
The book cost so _____ that she didn’t buy it.
His close friend _____ for two years.
I met my teacher _____ I was walking in the street, but I didn’t say hello to him.