As there was a power cut in the hospital, the surgeon had to ______ the operation.

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问题 As there was a power cut in the hospital, the surgeon had to ______ the operation.

选项 A、call for
B、call on
C、call off
D、call up

答案C

解析 call off意为“取消，停止”。A．call for意为“需求，需要”；B．call on意为“短暂地访问，拜访”；D．call up意为“使想起，使忆起”。

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公共英语二级笔试

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