56.Once a picture is proved to be a forgery, it becomes quite（ ）.

74.Our school did not（ ）for Christmas until mid-December.

73.He （turned his back on） them when they most needed him. The underlined part means（ ）.

72.The chief of surgery became committee chairman by virtue of（ ）.

71.The family of the victim had to （endure） a long wait before the case cane to trial. The underlined part means（ ）.

70.John always feels （sluggish） first thing in the morning. The underlined part means（ ）.

69.All her cousins and their children have （fair） hair. The underlined part means（ ）.

68.The operation could（ ）her life by two or three years.

67.Her career has（ ）a number of activities — composing, playing and acting.

66.The interviewers were impressed by the high （caliber） of the applicants for the job. The underlined part means（ ）.

65.When the sentence “Shall I drive you to the airport first?” is turned into indirect speech, which of the following is most appropriate?