66. The most important thing about cotton in history is __ part that it played in __ Industrial Revolution.

　A. /, /　　　　　　　 B. the, /　　　　　　　　　 C. the, the　　　 D. a, the

65. While he was investigating ways to improve the telescope, Newton made __ discovery which completely changed __ man’s understanding of color.

A. a, /　　　　　　　　 B. a, the　　　　　　　　　 C. /, the　　　　 D. the, a

64. It is __ world of wonders, __ world where anything can happen.

　A. a, the　　　　　　　 B. a, a　　　　　　　　　　 C. the, a　　　 D. /, /

63. The Wilsons live in __ A – shaped house near the coast. It is __ 17th century cottage.

　A. the, /　　　　　　　 B. an, the　　　　　　　　　 C. /, the　　　 D. an, a

62. Tom owns __ larger collection of __ books than any other student in our class.

　A. the, /　　　　　　　 B. a, /　　　　　　　　 　　C. a, the　　　　 D. /, the

61. For a long time they walked without saying __ word. Jim was the first to break __ silence.

　A. the, a　　　　　　 B, a, the　　　　　　　　　 C. a, /　　　　 D. the, /

60. There was __ time __ I hated to go to school.

　A. a, that　　　　　　 B. a, when　　　　　　　　　 C. the, that　　 D. the, when

59. When you finish reading the book, you will have __ better understanding of __ life.

　A. a, the　　　　　　 B. the, a　　　　　　　　　 C. /, the　　　　 D. a, /

58. This book tells __ life story of John Smith, who left __ school and worked for a newspaper at the age of 16.

　A. the, the　　　　　 B. a, the　　　　　　　　　 C. the, /　　　　 D. a, /

57. I knew __ John Lennon, but not __ famous one.

　A. /, a　　　　　　　 B. a, the　　　　　　　　　 C. /, the　　　　 D. the, a