When we arrived at the airport, the plane ______.

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问题 When we arrived at the airport, the plane ______.

选项 A、already took off
B、took off already
C、had already taken off
D、has already taken off

答案C

解析 语法题,考查过去完成时的用法。动词的过去完成时表示该动作发生在一个过去动作之前,本题中飞机起飞发生在我们到达机场之前,因此要使用had done结构。
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本试题收录于: 英语题库普高专升本分类
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