Задание:
Задайте разделительные вопросы: 1. student's scientific society holds discussions and organizes conferences 2. Alex's sister and her husband got their degrees in physical Metallurgy some years ago. 3. Olga is hot discussing many interesting problems at the seminar at this moment.
Решение:
1. Student's scientific society holds discussions and organizes conferences, doesn't it? 2. Alex's sister and her husband got their degrees in physical Metallurgy some years ago, didn't they? 3. Olga is not discussing many interesting problems at the seminar at this moment, is she?
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