i think this book is( )[help]to all of us 用所给单词【help】的适当形式填空
问题描述:
i think this book is( )[help]to all of us 用所给单词【help】的适当形式填空
答
helpful
i think this book is( )[help]to all of us 用所给单词【help】的适当形式填空
helpful