It's wrong___not___him a letter.A:of me ;to write B:for me ;to write

It's wrong___not___him a letter.A:of me ;to write B:for me ;to write
It's wrong___not___him a letter.A:of me ;to write B:for me ;to write

It's wrong___not___him a letter.A:of me ;to write B:for me ;to write
选B,
用of的话表示人的性格,本质,这个时候可以理解成you are.例如,It's kind of you to help me.意思是说you are kind.你是善良的.
而你写的这句话不能理解成you are wrong.你是错误的,而是说没有给他写信这件事是错误的.
我们平时给学生就是这样讲的,有问题再联系

B 没有给他写信是我的错。A中用of跟mine而不是me

B