这本书是为谁写的呢？
This book is for those who wish to develop software in R.
这本书是为那些希望用R语言开发软件的人编写的。
But this book is for those who wish to develop software in r.
但是这本书实际是为运用R语言开发软件的人编写。
There is something in this book for everyone who programs.
此书的内容是针对所有的编程人员。
The purpose of this book is to help those who now agree that time is of the essence.
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。
This Level 2 book is perfect for children who are beginning to read alone.
这2级的书谁是孩子开始独自阅读的完美。
This is a book for readers, and for those who wish to become readers.
这是一本为读者，以及那些想要成为读者的人所写的书。
Who is the book is this , after class claim it.
这是谁的书？下课过来认领一下。
It is Mary who wrote this book.
写这本书的人就是玛丽。
This book is about a king who loses his crown.
这本书讲的是一位国王丢掉了王位的故事。
I am reading this book; it is very well written, and the people who wrote it are obviously very smart.
我正在读这本书，写得非常好，但作者显然很聪明。
Who is the character in this book?
谁是本书的主人公？
This is a girl who is reading a book.
这是个正在读书的女孩。
This book is hilariously funny, but cruel to kids who believe in Santa Claus.
这本书滑稽搞笑，但对相信圣诞老人的孩子来讲是残忍的。
This book is hilariously funny, but cruel to kids who believe in Santa Claus.
这本书滑稽搞笑，但对相信圣诞老人的孩子来讲是残忍的。
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