问题描述：
if you work hard ,you can get good grades 改成同义句
if you work hard ,you can get good grades 改成同义句
if you work hard ,you ______ _______ _______ get good grades
if you work hard ,you can get good grades 改成同义句
if you work hard ,you ______ _______ _______ get good grades
问题解答：
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