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Pennod 5
Fe glywn am nerfusrwydd Siôn a Trystan wrth iddyn nhw sefyll eu harholiad TGAU cyntaf. Siôn and Trystan tells us how they are coping with the nerves as they sit their very first GCSE exam.
Darllediad diwethaf
Iau 2 Mai 2019
18:05