—Whose pencil box is this?—It _____ be Tom’s. It has his name on it.
There will be trees and pollution in the future.
——I don’t know if she __________ tomorrow.—— If she _________ tomorrow, I’ll call you.
My mother when I got home yesterday.
It’s already half past seven. You ________ get up quickly.
He asked me if I________ mad _______him.