协调与领导瓜葛的艺术应该掌握()
A、摆正位置,树立尊重和服从意识
B、角色换位,相互理解
C、主动来往,沟通信息
D、强化责任有所作为
参考答案:A, B, C, D
— Mr. Wang _____ be in the office. The light is still on.
— No, he _____ be. Because he phoned me from the farm just now. [ ]
A. may; mustn't
B. mustn't; mustn't
C. can't; can't
D. must; can't
简述李叔同?