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The young girl sitting next to me on the plane was very nervous. She __________ before.

hasn't flown
didn't fly
hadn't flown
wasn't flying
人气:259 ℃ 时间:2019-10-14 03:31:23
解答
hadn't flown ,
表达的是“过去的过去”,在was nervous之前,没坐过飞机
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