10. We shall be good specialists in some years. 11. My father went to Moscow yesterday. 12. Who knows him? 13. At last she opened the window. 14. You'll take this book in the library. 15. Do you often visit your parents? 16. He knew these words well. 17. Shall I read this text? 18. His children like music. 19. Did they go to the vil lage? 20. Tomorrow we'll go to the cinema