The school sports meet, originally to be held last Sunday, was finally because of the bad

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(答案→)A. called off
B. worn off 　
C. set off
D. broken off
解析：called off为“取消”之意；wear off意为“逐渐减弱,消失,磨损,耗损”；set off“引爆”、“出发”；break off 意为“折断”、“终止”。从because of the bad weather来判断，应为运动会被取消。