Unit2 How often do you exercise?一、短语归纳help with housework帮助做家务 on weekends在周末 how often多久一次 hardly ever几乎从不 once a week每周一次 twice a month每月两次 every day每天 be free有空 go to the movies去看电影 use the Internet用互联网 swing dance摇摆舞 play tennis打网球 stay up late熬夜；睡得很晚 at least至少 have dance and piano lessons上舞蹈课和钢琴课 go to bed early早点睡觉 play sports进行体育活动 be good for对有好处 go camping去野营 notat all一点儿也不 i
