Part IV (20 points,2 points each) 21.irritate 22.cut off 23.have not yet been accepted 24.turns out 25.in a small way 26.proud 27.as if 28.in that case 29.responsible 30.especially Part V (20 points,2 points each) 31.classes 32.caused 33.slowly 34.nine-year-old 35.a single mother 36.the next 37.know 38.before 39.are 40.vividly 920Part N (20 points, 2 points each) 21. irritate 22. cut off 23. have not yet been accepted 24. turns out 25. in a small way 26. proud 27. as if 28. in that case 29. responsible 30. especially Part V (20 points, 2 points each) 31. classes 32. caused 33. slowly 34. nine-year-old 35. a single mother 36. the next 37. know 38. before 39. are 40. vividly 920