Howlongago______thetrainstation__

发布时间:2020-07-27 00:36:44

How long ago ______ the train station ______?A.is, builtB.was, builtC.did, builtD.was, found

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B解析考查被动语态的特殊疑问句,把 be 动词 was 提前。
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