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Oneandtwoisthree.为什么用is而不是are?Youandmearefine.为什么又用are?

题目详情
One and two is three.为什么用is而不是are?
You and me are fine.为什么又用are?
▼优质解答
答案和解析
One and two is three.结果是1个,用单数.
You and me are fine.结果是2个,用复数.
就这么简单