正确形式填空I'm sure this book will be_______ to you in your study and work(value)

问题描述:

正确形式填空I'm sure this book will be_______ to you in your study and work(value)

I'm sure this book will be___valuable____ to you in your study and work(value)

valuable 形容词

valuable 有价值的,有用的
作表语,用形容词
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