【正文】
the 10. __ interesting work it is. A. How B. How an C. What D. What an B B CA A A C 。 a C. A。 A 7. Ted’s mother hopes he could play __ piano well. A. a B. an C. the D. \ 8. I have __ uncle. He is good at mending TV set. A. an B. an C. \ D. the 9. __ Nanjing is one of the oldest cities with __ long history. A. \。 The C. an。 doesn’t know B A B B B B 6. Jack bought __ useful book. __ book is also very interesting. A. an。 doesn’t know C. doesn’t。Ⅰ . Usefu