单项选择题
A. I’m sorry you can’t. B. Sure, it’s my pleasure. C. Well, take things easy. D. I’ll be glad to. E. Thank you. F. Really G. You’re always welcome. H. I’m sorry to hear that.
A．follow B．go C．operate D．work
A．dealing with the academic affairs of the university B．ensuring that the students observe university regulations C．evaluating students’ performance by bringing them before a court D．keeping up the students’ enthusiasm for social activities