for the farmer who takes care to keep them cool,(providing them with high-energy feed,and milking them regularly,hostein cows are producing) an average of 2275 gallons of milk each per year.
c:provided with high-energy feed,and milking them regularly,hostein cows are producing
e:provided with high-energy feed, and milked regularly,hostein cows will produce
答案是e,可我觉得a也很有道理呀
4-12 http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=83292
| 欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |