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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW039582 / 651151)

' The BBC's headquarters building -- Broadcasting House -- opened in this year. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

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