单选题：What must have caused the speakers' stomach aches?

题目分类：公共英语三级
题目类型：单选题
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题目内容：

What must have caused the speakers' stomach aches? A．The apples.
B．The soup.
C．The fish.

参考答案：

答案解析：

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分类：公共英语三级题型：单选题

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分类：公共英语三级题型：单选题