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

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

it's good of you to do sth还是it's good for you to do sthit's good __ you to read this bookA of B for C to
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宾语的时候,就要用of.
It's kind of you to help me.= you are kind

for

for

it's good for you to do sth

1. 此题选B ，用介词 for。句中good的意思是useful/ helpful“有用；有益”。

2. “it's good of you to do sth还是it's good for you to do sth？”
这个问题要根据good在句子中的意思而定，
如果good的意思是kind“心地善良的，好心的”，就要用of。

牛津和朗...

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1. 此题选B ，用介词 for。句中good的意思是useful/ helpful“有用；有益”。

2. “it's good of you to do sth还是it's good for you to do sth？”
这个问题要根据good在句子中的意思而定，
如果good的意思是kind“心地善良的，好心的”，就要用of。

牛津和朗文词典中都有例句，如：
It 's good of you to help.
It was very good of you to come.

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