39.help disabled people帮助残疾人       blind/deaf people盲人/聋人            

38.coach a football team for sb  为某人训练一支足球队

36.at the elementary school在小学       37.become/be a veterinarian成为一名兽医

35.a major/great commitment    一个重大奉献   major in+学科  专修

34.less(后缀表否定)―ful(表肯定)

 homeless无家可归的  nameless匿名的   careless粗心的 careful细心的­

33.be hungry 饥饿的

32.donate sth to sb =give away sth. to sb  向某人赠送某物

31.tell sb about sth  告诉某人关于某事

30.spend time doing sth  =It take sb+ 时 to do sth      发时间做某事

29.use up sth/run out of sth   =don’t have any more sth用完某物