Did you know _____?A. how much did the bike costB. where he livesC.if he bought a camera yesterday
—What’s wrong with you, Eric? You look tired.—I to prepare for the final exam last night.
—Don’t be late for school next time, ______? —No, I won’t.
Rose, you are so thin. You should eat more, you’ll make yourself ill.
We some robots at home in the future, and there some in the office, too.
Mary with her parents often for a walk in the park after supper.