[人教版]新目标英语八年级上册知识要点Unit 1
How often do you exercise?重点语法：频率副词
询问别人做某事的频繁程度
提问用 How often 引导特殊疑问句
回答用 always, sometimes, twice a day 等频率副词。例句：A: How often do you watch TV?(你多长时间看一次电视？)
B: I watch TV every day.(我每天都看电视。)
A: What's your favorite program?(你最喜欢的节目是什么？)
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