A.They are friendly neighbors.B.They are company colleagues.C.They are husband and wif

外语类 公共英语 已帮助 人

A.They are friendly neighbors.

B.They are company colleagues.

C.They are husband and wife.

D.They are guide and tourist.

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