Studying hard makes() possible for me to go to university successfullyA it B that C it's D this
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Studying hard makes(A it ) possible for me to go to university successfully
======以下答案可供参考======
供参考答案1:
选A。用IT做形式主语,真正的主语是后面的动词不定式。
供参考答案2:
a. it做形式主语,真正的主语是不定式 to go to university successfully.