我不知这本书是谁的。

I don't know who this book belongs to.

youdao

“这本书是谁的？”“让我看一看。哦，是我的。”

"Whose is this book?" "let me see. oh. it's mine."

youdao

InfoQ：这本书的目标群体是谁呢？

InfoQ: Who is the book aimed at?

youdao

的目的，这本书是为了帮助那些谁现在都认为，时间是至关重要的。

The purpose of this book is to help those who now agree that time is of the essence.

youdao

这本书是为谁写的呢？

Who is this book for?

youdao

这本书究意是谁的？自己快点承认。

Whose book is it? Confess now.

youdao

《哈利·波特》这本书是谁创作的？

Who is the creator of Harry Potter?

youdao

你是从谁那儿拿到这本书的。

Whom did you get the book from?

youdao

你是从谁那儿拿到这本书的。

Whom did you get the book from?

youdao