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

58.I couldn’t sleep last night because the tap in the bathroom was（ ）.

57.Jimmy earns his living by（ ）works of art in the museum.

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

55.Mary hopes to be（ ）from hospital next week.

54.I’m surprised they are no longer on speaking terms. It’s not like either of them to bear a（ ）.

53.As my exams are coming next week, I’ll take advantage of the weekend to （ ）on some reading.

52.It was suggested that all government ministers should（ ）information on their financial interests.

51.Mr. Wells, together with all the members of his family,（ ）for Europe this afternoon.

50.（ ） both sides accept the agreement（ ）a lasting peace be established in this region.

49.Issues of price, place, promotion, and product are（ ）conventional concerns in planning marketing strategies.