When people talk they keep a certain______from someone they talk with.A.distanceB.scopeC.

学历类 专四 已帮助 人

When people talk, they keep a certain______from someone they talk with.

A.distance

B.scope

C.range

D.boundary

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗