We must study hard, because we shouldn’t _______ our parents _______ .

Everyone was on time for the meeting_______ Chris, who’s usually ten minutes late for everything.

The old man has____ useful horse and horse can do a lot of things for him.

Are these books yours, Mike?—No, they aren’t. They belong to ______.

Jane, I can’t find Lucy in the classroom. —Oh, she ________ the piano in the music room.