47. A. famous B. helpful C. lucky D. terrible

46. A. problems B. diseases C. experiences D. stories

45. A. change B. chock C. save D. treat

44. A. great B. dangerous C. favorite D. safe

43. A. families B. lives C. jobs D. children

42. A. thankful B. careful C. fit D. clever

41. A. spend B. use C. take D. enjoy

40. A. school B. home C. hospital D. bed

39. A. old B. clean C. same D. big

38. A. disease B. health C. life D. challenge