Here's the answer:
“何にしようかな”
(nani ni shi-yō kana)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 91.7% of the time!
(nani ni shi-yō kana)
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 91.7% of the time!