문제집이 · 문제집을
workbook, book of practice questions
Example
시험 전에 문제집을 한 권 다 풀었어요.
Before the exam, I worked through a whole workbook.
Word parts
문 ask+제 topic+집 collection
문제 'question, problem' + 집 'collection'.
Good to know
You 'solve' a workbook: 문제집을 풀다. Korean bookstores have whole sections of them for the 수능 and TOPIK.
Related words