1.
Our teacher knows several foreign languages, doesn't he? 2. He has graduated from
our University this year, hasn't he? (должно быть именно this year, иначе в предложении ошибка!) 3. We shall go to Samara next week, shan't we? 4. They
are working in our garden, aren't they? .5.1 have just read this book, haven't I? 6. I took this
book from my friend, didn't I? 7. He likes reading books, doesn't he? 8. She has many relatives abroad, doesn't she? 9. They were in many countries, weren't they? 10. Russia is the
largest country in the world, isn't it?