Here's the answer:
“뭐가 가장 재미있었어요?”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 94.61% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 94.61% of the time!
