语音讲解：
　　　(点击右键“另存为”可下载语音)

  ::原文::
　　This is my English book.It belongs to me.It is mine.That is your English book.It
belongs to you.It is yours.Those books aren't ours.They belong to those boys over there.
They are theirs.Why do we all have different books? Because we belong to different
classes.
 
如果您可以在10秒钟之内把下列每一个句子翻译成英文的话，那么可以说您已经基本掌握了本课的语法重点及实用句型。如果有困难的话，那您就需要重点复习一下相关的内容了。

* 这些棒棒糖不是我们的。 参考答案
These lollipops aren't ours.
* 她的想法很可笑,我还是比较喜欢他的。 参考答案
Her idea is ridiculous.And I like his better.
* 那本书是我的，封面上还有我的签名呢。 参考答案
That book is mine.There is my signature on its cover.
* 请到这里来。 参考答案
Please come over here.