A.Find out about a course.B.Examine some art works.C.Talk about some landscape painter

外语类 成人英语三级 已帮助 人

A.Find out about a course.

B.Examine some art works.

C.Talk about some landscape painters.

D.Go to a scheduled meeting.

热搜:a是b的充分条件,b是a的必要条件吗