单项选择题
A. I am awfully sorry, B. Not at all. C. It’s my pleasure. D. No, of course not. E. Coffee, please. F. You don’t look well. G. But he panned to. H. Take it easy.
A．some examples of shooting in the US schools. B．the American’s feeling. C．some famous schools. D．that some teachers were killed by students.
A．selfish B．patient C．tactful D．sympathetic