单项选择题
A.No, I don’t think so. B.Yes, he’s very well. C.Yes, he was there yesterday. D.No, he’s very well.
A.She is a nurse. B.She is a singer. C.She is a teacher. D.She is a doctor.
A.It’s cheap. B.It’s useless. C.That’s 200 yuan. D.It’s too expensive.