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They didn't leave the airport until they saw the plane_____(

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/13 00:29:06
They didn't leave the airport until they saw the plane_____(take off) and fly into the clouds.
填什么?原因.
为什么不是taking off?
take off
see sb do sth
saw 在这里要接无to 不定式作宾补,与后面fly into the clouds形式一致
再问: 为什么要和后面的一致?谢谢
再答: 因为take off 和fly into the clouds属平行结构, 两个并列的无to 不定式作saw 的宾补。 其结构为: see sb do A and do B