how will i say: "why me?" in Japanese?

Nella's notebook entry: Oct 14, 2010 minna san konnichiwa! hajimemashite. nella desu. yoroshiku onegai shimasu. tokoro de, kondo wa watashino nihongo ga jouzu ni naru tame ni nikkei no daigaku ni nyuuin shita. sore demo, gakkou kara no chishiki ga de naku, motto manabitai. tasukete kudasai. kotoshi Nihongo Nouryoku Shiken o ukete mite no desu.

First notebook entry: Introducing myself Well, I am learning Japanese because: I was very interested in this language and the Japanese culture I want to be fluent that's why I enrolled in a Japanese school I will be taking JLPT this year I want to meet friends, and I want to learn, learn, and learn.. =)