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> ---______ the farmers discovered the entrance to the secret cave in the valley? --- Totally by chance. A．When was it that B．How was it that C．How it was that D．When it was that

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发布时间：2024-09-07

---______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.

A．When was it that B．How was it that C．How it was that D．When it was that

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