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 up
D、call off

答案D

解析 由于医院停电,医生不得不取消了手术。考点:call off停止,取消。
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本试题收录于: 英语题库普高专升本分类
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