Контрольные задания > 1 You won't find a hotel room if you don't book early. unless You won't find a hotel room early.
Вопрос:
1 You won't find a hotel room if you don't book early. unless You won't find a hotel room early.
Ответ:
unless You won't find a hotel room **unless** early. (Вы не найдете номер в отеле, если не забронируете его заранее. Вы не найдете номер в отеле, если не забронируете его заранее.)