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标题: Prep08的题求NN来品一品句子结构！万分感谢！ [打印本页]

作者: 小灰灰养大鸟 时间: 2017-9-27 17:16
标题: Prep08的题求NN来品一品句子结构！万分感谢！

For thefarmer who takes care to keep them cool, providing them with high-energyfeed, and milking them regularly, Holstein cows are producing an average of2,275 gallons of milk each per year.

A. providingthem with high-energy feed, and milking them regularly, Holstein cows areproducing

B. providingthem with high-energy feed, and milked regularly, the Holstein cow produces

C. providedwith high-energy feed, and milking them regularly, Holstein cows are producing

D. provided with high-energy feed, andmilked regularly, the Holstein cow produces (E)

E. provided with high-energy feed, andmilked regularly, Holstein cows will produce

求各位大侠教一下我，这个句子里的For是起到什么作用啊？是对...来说吗？还是因为（那后面只跟了一个n farmer，可以吗？）

万分感谢！

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