49. A. written          B. speaking          C. spoken          D. writing

48. A. speak           B. laugh              C. look             D. stand

47. A. help           B. understand          C. learn             D. believe

46. A. for                   B. about              C. of               D. with    

45. A. so that                B. as that              C. as               D. than    

44. A. with           B. to               C. about            D. for

43. A. learning        B. saying            C. playing           D. teaching    

42. A. cannot         B. are never           C. can              D. will never    

41. A. itself           B. yourself            C. themselves        D. myself