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    精英家教网 > 高中英语 > 题目详情
    America will never again have as a nation the spirit of adventure as it ______ before the West was settled.
    A．hasB．didC．wasD．would
    B
    此题考查同一动词重复使用时用助动词替代的用法。本句主句中的动词是have， as从句完整写出应是：“as it had the spirit of adventure．．．”，其中had应用与其时态一致的助动词did来代替。[A]项的时态不对，因为它是相对于一个过去的时间来说的；[C]项是系动词的单数过去时态，不能代替实义动词；D.项为一般过去将来时，时态不对。
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