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The Internet connection for the entire area _________ when there was a sudden power cut yesterday.
A.lostB.was lostC.had lostD.had been lost
B
考查时态及语态。根据时间yesterday,应用一般过去式,根据句意:当昨天突然停电的时候对于整个地区的网络联系就失去了,be lost 失去的,所以选B。
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