YOU SAID:

what is this moose doing in my house and why is it meowing?

INTO JAPANESE

このムースは私の家で何をしているのですか？なぜ鳴いているのですか？

BACK INTO ENGLISH

What is this moose doing in my house? Why is it chirping?

INTO JAPANESE

私の家で何をしているの？なぜさえずっているの？

BACK INTO ENGLISH

What are you doing in my house? Why are you singing?

INTO JAPANESE

私の家で何してるの？なぜ歌っているのですか。

BACK INTO ENGLISH

What are you doing in my house? Why are you singing?