Copyright Act Article 54

Works that have been publicly released may be reproduced for use in examination questions on all kinds of examinations held by central or local government agencies and all levels of schools or educational institutions established in accordance with law; provided, this shall not apply to works that have been publicly released as examination questions.
中文原文 著作權法第54條
中央或地方機關、依法設立之各級學校或教育機構辦理之各種考試,得重製已公開發表之著作,供為試題之用。
但已公開發表之著作如為試題者,不適用之。

English translation for reference only; the Chinese text prevails. Not legal advice.