题目内容：

On every piece of paper ( )pictures of some fish .
阐述原因

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1.答案：are.2.1）此句是倒装句,真正的句序为：Pictures of some fish（ ）on every piece of paper.2）故此此句主语为pitures,而不是some fish,更不是every piece of paper.根据主谓一致原则,该题的be动词形式必须...