Heddyr Gregory sy'n llywio trafodaeth ar arholiadau ysgol - a oes eu hangen? Heddyr Gregory leads a discussion on school exams - are they needed? Show more
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Heddyr Gregory sy'n llywio trafodaeth ar arholiadau ysgol - a oes eu hangen? Heddyr Gregory leads a discussion on school exams - are they needed? Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
