下列关于物质的分类、性质、用途说法全部正确的是:
What do you see? A.看见 B.听见 C. 知道
I see a pig and many chickens. A.牛 B.猪 C.马
I see three birds. A.一只 B.两只 C.三只
Linda sees a goat. A.鸟 B.马 C.山羊
What you see? A.are B. am C. do