YOU SAID:

My cat ran away and when it returned it was a dog

INTO JAPANESE

私の猫は逃げ出し、戻ったときには犬だった

BACK INTO ENGLISH

My cat ran away and when he returned it was a dog

INTO JAPANESE

私の猫は逃げ出し、戻ったときには犬だった

BACK INTO ENGLISH

My cat ran away and when he returned it was a dog