The we saw yesterday come out to the farm once in a while．A.cowB.dogC.deerD.hors
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The ________ we saw yesterday come out to the farm once in a while．
A.cow
B.dog
C.deer
D.horse
试题答案
C
deer（鹿）单复数同形，诸如此类的还有：fish，sheep，Japanese，Chinese。