高中英语我不知道何时填to,何时填for,tell stories to him .It was hard for hi

It is hard for him to think for himselfxie it was ( )for me to choose.里面填啥 问：It is ___ sb to do sth.中的“___”何时用of,何时用for? be important 之后何时用to 何时用for? it was hard for him to practice oral English at home,where n it was hard for him to learn english in a family,in which_of It was hard for him to learn English in a family ,in which _ it is time for getting up为什么介词要填for不填to It's hard ____ a job.是填to look for还是to find what a it is to listen to him tell stories It is very hard to find time for [是填me 还是meself为什么] it is hard for me to find him .句子结构 hard for 是什么?