it was silly of us to believe him

I believe it's impossible to persuade him to join us.同意句转换 I It was very good __ him to help us A by B of C from D about (单词拼写)It was c___ of you to make such a silly mistake. it's out of the question to make him help us.{to make him he It 's foolish ___________.A.of you to believe him B.of you b it was very kind of you to have us over. It is -----(fool) of you to believe him.he often tells a lie It was easy of him to make mistakes in grammer. 为什么是of him 不 He was silly enough to believe what the thief said(同义句） It is _______ (willing to give frccly) of him to help us I think it silly of you not to forgive others As i look back on it now ,i realize it was kind of silly of