语音讲解：
　(点击右键“另存为”可下载语音)

::原文::
Betty and Bob are talking on the telephone.
Betty: Hi,Bob.What are you doing?
Bob　: I'm watching TV.How about you?
Betty: I'm doing my homework.
Bob　: You are a good student,Betty.
 
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。

* 李太太正在那家杂货店买东西。参考答案
Mrs.Lee is shopping at the grocery store.
* 你们现在开心吗？参考答案
Are you having fun now?
* 除了乔，每个人都在为考试作准备。参考答案
Everyone is preparing for the exam, except Joe.