为什么短语be friendly to sb,be devoted to sth形容词和名词之间要有介词?

为什么短语be friendly to sb,be devoted to sth形容词和名词之间要有介词? be friendly to还是be friendly with 有 be friend to 这个短语么?如有,和 be friendly to 的区别呢? be friendly to 急 We should be friendly to other people为什么要用friendly be nice/friendly/kind to be friendly to sb造句 be friendly to 等于什么 be friendly to的翻译 请问be friendly with与be friendly to的区别 be friendly to 和 be friendly with有什么区别? Our teacher often tell us_______to others A.friendly B.be friendly C.to be friendlyA.friendly B.be friendly C.to be friendly D.are friendly be friendy to区别 be friendly with 为什么We learned to be friendly to other people.用to be 不用toto be 怎么用 be friendly to的汉语意思是? be friendly to us 用中文写 Pease _____(be) friendly to your classmates We should be friendly to ------.(other )