根据汉语提示完成下列句子。
①You are__________(不合情理)if you expect a child to behave like a grown-up.
②Don't be afraid to talk to the teacher because she is_____________(很通情达理的).
③Four hundred yuan for such a coat is quite____________(价钱公道).
④These are four__________(原因)for doing it.
⑤Don't make any__________(借口)for it.
⑥He tried to give some evidences in__________of(作为对……的辩解)his crime.