For the farmer who takescare to keep them cool, providing them with high-energy feed, and milkingthem regularly, Holstein cows are producing an average of 2,275 gallons ofmilk each per year. A. providing them with high-energy feed, and milking them regularly,Holstein cows are producing B. providing them with high-energy feed, and milked regularly, the Holsteincow produces C. provided with high-energy feed, and milking them regularly, Holsteincows are producing D. provided withhigh-energy feed, and milked regularly, the Holstein cow produces (E) E. provided with high-energy feed, and milked regularly, Holstein cows willproduce
这题选E,provided 和milked在居中做什么成分啊
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