单项选择题
A.Classmates, B.Colleagues. C.Boss and secretary. D.PR representative and client.
A.By greeting each other very politely. B.By exchanging their views on pubic affairs. C.By displaying their feelings and emotions. D.By asking each other some personal questions.
A.It is based on a lot of research. B.It can be finished in a few weeks’ time. C.It has drawn criticism from lots of people. D.It falls short of her supervisor’s expectations.