A.They are paying for his education.B.They invited him to their party.C.They took him

外语类 公共英语 已帮助 人

A.They are paying for his education.

B.They invited him to their party.

C.They took him on a vacation with them.

D.They let him live with them for free.

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