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МатематикаВопрос:
23 Sue can't have/must have been at the party last night. She's on holiday in Italy right now.
Ответ:
1. The second part of the sentence states Sue is on holiday, which contradicts her being at the party.
2. 'Can't have been' expresses a strong deduction about something that did not happen.
3. 'Must have been' expresses a strong deduction about something that did happen.
can't have
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