Задайте разделительные вопросы:
1. students scientific society holds discussions and organizes conferences
2. Alexs 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.
1. Students scientific society holds discussions and organizes conferences, doesnt it?
2. Alexs sister and her husband got their degrees in physical Metallurgy some years ago, didnt they?
3. Olga is not discussing many interesting problems at the seminar at this moment, is she?
Оцени ответ
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