问题描述：
None of the bus drivers were women.（划线were women）怎么提问?急需!
None of the bus drivers were women.（划线were women）
None of the bus drivers was a woman.（划线was a woman）
None of the bus drivers were women.（划线were women）
None of the bus drivers was a woman.（划线was a woman）
问题解答：
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