mr wang often says,‘we shall study hard for our purpose.’改为间接引语.

题目

mr wang often says,‘we shall study hard for our purpose.’改为间接引语.
mr wang often says---- ------- -------study hard for their purpose.为什么用will 是不是间接引语主句是一般现在时,从句随直接引语时态变化啊,就是直接是什么,间接从句也是什么,一致,对吗、求详解与总结.悬赏1000分,

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