精选优质文档-倾情为你奉上八年级上册英语第二单元知识点梳理How often do you exercise?【应掌握的词组】1、help with housework 帮助做家务活,2、go shopping 购物,3、on weekends 在周末, 4、how often 多久一次,5、hardly ever几乎不,6、once a week 每周一次,7、twice a month每月二次,8、go to the movies去看电影,9、every day 每天, 10、use the Internet上网/用网,11、be free有空,12、have dance and piano lessons 上舞蹈钢琴课 ,13、swing dance摇摆舞 14、play tennis 打网球, 15、stay up late熬夜,16、at least至少, 17、go to bed early 早睡, 18、 play sports 锻炼身体,19、be good for 对有好处, 20、go campin