A.He had some drink at home.B.He had some drink at bar.C.He behaved rudely.D.He took a

外语类 职称英语 已帮助 人

A.He had some drink at home.

B.He had some drink at bar.

C.He behaved rudely.

D.He took a breathalyzer test.

热搜:a是b的充分条件,b是a的必要条件吗