Контрольные задания >
15. We _______ for three hours before we decided to take a break.
A must be trekking B had been trekking C have been trekking
Вопрос:
15. We _______ for three hours before we decided to take a break.
A must be trekking B had been trekking C have been trekking
Ответ:
B had been trekking
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