—Must I return the hook tomorrow morning? —No, you _ .You can keep it longer.

You _______have a wrong number. There’s no Mr Johnson here.

We ________ like to thank the honest boy.

－Must we leave now?
－No, we ________. We still have two more hours.

－Look, your sister is playing the piano over there.
－She ______ be my sister. She has gone to America.

Could I look at your picture?   --Yes, of course you ______.

—Look at the man in the classroom! Is he Mr. White?
—No, it __________be him. He’s eating in the dining hall.

--- Mum, could I play with my classmates for a while after I finish my homework?
--- _______. But you must come back before supper.

If you want to keep _______, You _______ do more exercise and eat less.

The light is on in Mr. Green’s room. He _______ be at home.