That was ________________case in his practice. Выберите один ответ: a. the less difficulter b. the least difficulter

That was the least difficult case in his practice.

То был самый нетрудный случай в его практике.

Was that the least difficult case in his practice?

Was that the least or the most difficult case in his practice?

Whose practice was that the least difficult case in?

That was the least difficult case in his practice, wasn\'t it?