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it is adj to do sth是什么句型 it is adj to do sth是什么意思 sth is adj to do sth是什么句型 it is adj to do sth 例句 it's + adj. to do sth.用法 it is + 形容词 + to do sth would like to do sth等于什么 use sth to do 还是doing 

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it is adj to do sth等于什么 it is adj to do sth. it is adj to do sth什么句型 it is adj to do sth和doing sth it is adj to doing it is adj to sb to do sth it is adj to do something it is adj to do 和doing it is adj/n to do sth it is+adj+to do 

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