问题
选择题
A lot of meetings were------ because of the dangerous disease.
A．turned off
B．set off
C．put off
D．taken off
答案
C
考查固定短语。句意：许多会议被推迟，因为这危险的疾病。故选C。turn off 关闭，set off 出发；put off 推延，延期；take off 脱掉。
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