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Two fifths of the building was destroyed in the fire为什么用 was 而不用 were

题目详情
Two fifths of the building was destroyed in the fire
为什么用 was 而不用 were
▼优质解答
答案和解析
表示确指数字时,ten,hundred,thousand,million只用单数形式,不能加“s”
dozen(12)、score(20)、brace(1对)、head(1头)、yoke(1对牛)、gross(1箩)等表示精确数字时不用复数形式,但在表示不确切数字时要用复数
所以我们只需用单数形式既可:)
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