49. A. laughed         B. cried            C. shouted            D. worried

48. A. beside          B. on               C. behind             D. under

47. A. police car      B. office           C. table              D. room

46. A. turned it up      B. turned it down   C. turned it off      D. turned it on

45. A. a little longer  B. much longer      C. a little shorter   D. much shorter

44. A. it               B. them            C. that              D. this

43. A. cooked           B. needed          C. ordered           D. asked

42. A. duty             B. business        C. a visit           D. show