It was disappointed that we weren’t given a chance to speak at all.

英訳に間違いが有れば正してください。

まったく話す機会が与えられなかったのは残念だった
It was disappointed that we weren’t given a chance to speak at all.

ヒント
形容詞

答え
disappointedをdisappointingにする

It was disappointing that we weren’t given a chance to speak at all.

disappointedは人を主語にする形容詞

It is disappointing that~
~に失望する