Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
下面的文本有一些空格。点击每个空格会出现一组选项，请为每个空格选出最合适的答案。
When humans began farming some 12,000 years ago, they altered the future of our forever. Our ancestors were ecological , discovering and cultivating the most valuable crops, scaling them up to feed entire communities and transforming wild crops so fundamentally that they became dependent on humans for their survival. Farming, in the words of National Geographic’s Genographic Project, "sowed the seeds for the modern ."
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我的练习记录
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