英訳に間違いが有れば正してください。
無事な状態で家族を彼らに送るのが私の責任と感じていた。
I felt my responsibility to give them an intact family.
ヒント
構文
答え felt itにする
I felt it my responsibility to give them an intact family.
主語+他動詞feel+目的語it+(to be)補語の形
目的語it=補語
主語が目的語を補語だと感じる
+that節で表せば
I felt that my responsibility was to give them an intact family.