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МатематикаВопрос:
6. Policemen ... work at night. а) mustn’t; б) don’t have to; в) have to
Ответ:
Policemen have to work at night. Перевод: Полицейским приходится работать ночью. Have to выражает необходимость или обязанность.
Ответ: в) have to.
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