ak m4穿透 cfm:he is very friendly to his fans为什么用friendly?friend不行吗？

he is very friendly to his fans为什么用friendly?friend不行吗？ 连词成句；a,what,boy,he,is,friendly(!) He is a very p______ singer. ______ is your father? Thank you.He is very well. The man is not very tall or short . He is --------- Our teacher is very friendly （ ）us. 括号里填什么？to for of with he is very pleased!合乎语法规则吗？ e.g. He is a very tall boy. ---Can you tell me ___? ---He is very tall and very nice. 翻译:"Every mroning he works at a computer.he is very busy.