Nearly all trees have seeds that fall to the earth, take root, and eventually ______.

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问题 Nearly all trees have seeds that fall to the earth, take root, and eventually ______.

选项 A、generate new seeds
B、new seeds generated
C、generates new seeds
D、new seeds are generated

答案A

解析 句子的意思是,几乎所有的树都有种子,这些种子落到地上,发芽,最后产生新的种子。主句是nearly all trees have seeds。that引导了后面的定语从句,且指代的是前面提到的seeds,因此主语是复数。另外注意动词的连贯性:谓语动词先是fall,接着是take,然后用and连接,所以后面的动词的形式应与他们保持一致。所以正确答案是A选项。
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