—Whose shirt is this?—It ______ be Li Lei’s. It is too big for him.

When we were young, every evening my brother and I ___ stay at home waiting for my mother?

— I didn’t care about what other people thought about me.— Well, you ________.

—I wonder where Peter is.He said he’d be here for lunch.—Don’t worry！He________be caught in the rush hour.

"Those responsible for the accident      be punished while those contributing to solving the problems be rewarded," promised the official then and there.