четные 20. Why 21. He explained why the three angles of a triangle . (equal) a hundred and eighty degrees. 22. I ... (explain) this for hours: doesn't even one of you understand it (you, always, make) such idiotic mistakes? now? 23. While I 24. He.. (chew) gum then, so, of course, he couldn't speak properly. 25. Where 26. I. (see) him several times this week. 27. I. (see) him several times earlier this week. 28. On that occasion he .. . (look) quite bovine, for he was chewing gum. 29. After 30. "Where have you been?" "I. (swim)." 31. When he ... (shot) the lion, he placed one foot on it, triumphantly. 32. Until last year he 33. When I looked out, I found it .. (snow) all night . 34. Because he . (fail), he was most depressed. 35. I. (work) all the time whereas he had been amusing himself. 36. For three hours he ... (seem) worried, and then he told me why. 37. When they . e That's (explain) it to you, you have been drawing silly pictures! (you, be) all day today? (be) sick, I felt better. (never, see) snow on the hills. (finish), 38. 39. After she . (break) her promise, she was filled with remorse. 40. .. you (have) breakfast yet? No? Then I'll get you some. 41. After I ... (do) all my work, I ... (go) to go home but I remembered I (leave) my umbrella in the kitchen, where I... (put) it to dry, and I .. ( go) to fetch it. 42. You .. (work) too much, I advise you to have a holiday. 43. 1.. (work) and so... (have) John, and we are both a little tired . 44. I .. (come) to London several times before the war. 45. .. the postman (come) yet? YnpaxHenne you first (hear) that story? funny! whoney handed in their drawings.