YOU SAID:

How old is my dog if my dog is younger than a cat

INTO JAPANESE

私の犬が猫より若い場合、私の犬は何歳ですか

BACK INTO ENGLISH

If my dog is younger than a cat, how old is my dog

INTO JAPANESE

私の犬が猫より若い場合、私の犬は何歳ですか

BACK INTO ENGLISH

If my dog is younger than a cat, how old is my dog