A.child | B.boy | C.boys | D.Childs |
A.visitor | B.visitors | C.visitor"s | D.visitors" |
A.subject | B.music | C.book | D.Animal |
A.place | B.room | C.field | D.Ground |
A.Wool | B.Pork | C.Mutton | D.Milk |
A.medicine | B.lessons | C.photos | D.Exercise |
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