YOU SAID:

I walked to the fish market and to my surprise they hold sold out all the squid

INTO JAPANESE

私は魚市場に行き、驚いたことに彼らはすべてのイカを売り切れに

BACK INTO ENGLISH

I went to the fish market and to my surprise they sold out all the squid

INTO JAPANESE

私は魚市場に行き、驚いたことに彼らはすべてのイカを完売しました

BACK INTO ENGLISH

I went to the fish market and to my surprise they sold out all the squid