Помогите, пожалуйста, выбрать правильный вариант ответа
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Livia1. They ... have seen the play last night as they went to a football match instead
A could
B must
C might
D can't
2. Carl ... have been here by now. Maybe he got stuck in traffic
A might
C should
B must
D can't
3. You ... have been really excited when you heard you'd won the competition!
A must
C might
B should
D could -
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Vera
Первый однозначно can't, второй и третий не однозначны.
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Livia
Спасибо!
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Vitaly
2. Carl ... have been here by now. Maybe he got stuck in traffic
C should3. You ... have been really excited when you heard you'd won the competition!
A must