人教版英语八年级上unit2 How often do you exercise知识点及练习带答案
重点短语：
how often 多久一次
help with housework 帮助做家务 on weekends 在周末
go to the movies 去看电影 go shopping 去购物
do exercises 做锻炼 do the dishes 洗餐具
hardly ever 几乎从不 once a week 每周一次
twice a month 每月两次 be free 有空
have dance and piano lessons 上舞蹈课和钢琴课 swing dance 摇摆舞
play tennis 打网球 stay up late 熬夜；睡得很晚
use the Internet 用互联网 at least 至少
go to bed early 早点睡觉 want sb. to do sth. 想让某人做某事
be good for 对……有好处 play sports 进行体育活动