---Must I finish my homework at school? --- ?You can do it at home and hand it in next week. A. Yes, you must B. No, you needn’t C. Yes, I can
— How long are you staying there?—____________.
Li Ping always gets up early and he is late for school.
he studied hard every day, he didn’t pass the exam.
I think walking is good our health.
—What’s ________ with him?—He has a cold.