---The book _____ be Tom’s.---No, it _____ be his. There’s a name on the book. It’s Jim’s.

---Could I have a word with you, mum? ----Oh, dear, if you ______.

—What does the notice on the wall say?—“No person       take books out of the reading room; otherwise he would be fined.”

This notebook        Lucy’s. Look, her name is on the book cover.

—Mum, I'm tired.—Well, if you ________ go to bed after midnight every night, what do you expect?