多项选择题
在与人交往时的基本规范是（）。
A．注意个人形象B．保持适当距离C．体察对方心境D．运用语言技巧E．莫忘从容
单项选择题 I do not have my own room,______.
单项选择题 1am worried about my brother. I am not sure______ he has arrived at the school or not.
单项选择题 Applicants for the Olympic volunteers must be able to______excellent services to meet the demands of the Games.
