—I heard they went skiing in the mountains last winter. —It       true because there was little snow there.

My sister met him at the cinema yesterday afternoon, so he       your lecture.

— There is somebody at the door. ________ it be Tom?— No, it _______ be him. It’s just six o’clock. It’s too early.

Susan’s parents have bought a large house with a swimming pool.It      be very expensive.

You _ to the meeting this afternoon if you have something important to do.