题目内容
【题目】This is a ______. These are________. ( )
A.pencil; pencilsB.pencils; pencilC.penciles; pencil
【答案】A
【解析】
略
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题目内容
【题目】This is a ______. These are________. ( )
A.pencil; pencilsB.pencils; pencilC.penciles; pencil
【答案】A
【解析】
略