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МатематикаВопрос:
2. They are supposed (to work) at the problem for the last two months.
Ответ:
Решение:
Конструкция be supposed to do означает 'предполагается, что кто-то что-то сделает'. Форма инфинитива от глагола work — to work.
Ответ: They are supposed to work at the problem for the last two months.
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