YOU SAID:

When was the first time the cat caught twenty mice

INTO JAPANESE

猫が初めてネズミを20匹捕まえたのはいつですか

BACK INTO ENGLISH

When did the cat catch 20 mice for the first time?

INTO JAPANESE

猫が初めてネズミを 20 匹捕まえたのはいつですか?

BACK INTO ENGLISH

When did the cat catch his first 20 mice?

INTO JAPANESE

猫が最初の 20 匹のネズミを捕まえたのはいつですか?

BACK INTO ENGLISH

When did the cat catch his first 20 mice?