Ответ:
He has been writing his essay since 5 o'clock and hasn't finished it yet.
Он пишет сочинение с пяти часов и ещё не закончил его.
He has been writing his essay since 5 o'clock and hasn't finished it yet.
Он пишет сочинение с пяти часов и ещё не закончил его.