How to say “Someone's left three of my favourite novels in the book exchange; now I can't decide which to take.” in Japanese
In Japanese
誰かが本の交換箱に私の好きな小説を三冊入れていた。どれを持ち帰るか迷う。
Dareka ga hon no kōkanbako ni watashi no suki na shōsetsu o sansatsu irete ita. Dore o mochikaeru ka mayou.