题目内容：

a lot of meeting were()because of the dangerous disease
a turned off b set off c put off d taken off

优质解答

C
put off: 推迟->句意：许多会议因为危险的疾病而被推迟了
turn off 关闭,set off 出发动身,使爆炸,take off 起飞、脱掉,都不符