Itwas2hours'waitbythetimethe

发布时间：2020-07-28 03:02:14

It was 2 hours' wait by the time the announcement ________, saying my flight was canceled．A.had been madeB.was madeC.madeD.was making

网友回答

B解析“宣告”与“做出”之间存在被动，所以用被动语态，根据上下文判断，应用过去时．
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