31.I’m sorry to hear that.听到此事我很难过

30. Conversation practice会话练习　

29. Host family 东道家庭

28.at the moment = now 此刻　

27. enjoy sth. =like sth. (名词)喜欢某物,

enjoy doing sth.喜欢做某事=like dong sth

Practice doing sth.练习做某事，

mind doing sth. 介意做某事，

finish doing sth.完成某事，

give up doing sth.放弃做某事，

can’t help doing sth.忍不住做某事，

keep ding sth. 坚持做某事.

即：practice, mind, finish, give up, can’t help, keep 与enjoy用法基本相似 　　

26. enjoy oneself (myself, yourself, herself, himself, themselves, ourselves, itself

反身代词) 玩得高兴，过得愉快=have a good time = have a wonderful time

=have fun

25. stay healthy 保持健康=keep healthy=keep in good health = keep fit

24.healthy food 健康食品

23. to eat a balance diet饮食平衡　　　　

22. you have too much yin.你阴气太盛