题目内容：

it's good of you to do sth还是it's good for you to do sth
it's good __ you to read this book
A of B for C to

优质解答

B for 这个问题看似简单实则很重要.当前面的形容词说明的是后面的不定式的,就用for sb,表明该不定式动作的发出者.It's important for us to learn english.= to learn english is important.当前面的形容词说明这个...