17. That's the _________ (bad) film I've ever seen; the characters were shallow and the ending was dull and predictable.

17. Применим протокол Е. Необходимо образовать превосходную степень прилагательного bad.

Степени сравнения прилагательных:

• Сравнительная: хуже (worse).
• Превосходная: самый плохой (the worst).

That's the worst film I've ever seen; the characters were shallow and the ending was dull and predictable.

Ответ: That's the worst film I've ever seen; the characters were shallow and the ending was dull and predictable.