（ ) 2.Please feed the grass the cow; cows feed grass.A.On;to B.For;on C.On;for D.To;on
问题描述：
（ ) 2.Please feed the grass the cow; cows feed grass.A.On;to B.For;on C.On;for D.To;on
答
D
Please feed the grass（to ) the cow; cows feed (on) grass.
feed ..to ...把……给……喂
feed on 以……为食
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