八年级上册英语unit1~unit3语法句型（完整的）

8年级上册语法重点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...