Have you ever been to the Great Wall in China? It is 46of the wonders of the world and is 47to people all over the world. The Great Wall 48long ago. Everybody in China will tell you that it was built in the Qin Dynasty (秦朝). In Fact it 49a long period of time in China’s 50. We can 51tell how many years it took. We don’t know how many stones 52build the wall. We don’t know how many people died in building the Great Wall. We 53can say that it was built 54the blood and sweat of the Chinese working people. The Great Wall has stood there for years and years. It is the pride of the Chinese nation. If you have a chance to go to China some day, 55to go there and have a look at the great wonder. 46. A. the only one B. one C. a D. ones 47. A. unknown B. satisfied C. strange D. known 48. A. built B. has been built C. was built D. had been built 49. A. paid B. used C. spent D. took 50. A. history B. books C. stories D. drawings 51. A. never B. hardly C. almost D. no longer 52. A. are used to B. were used to C. use to D. used to 53. A. alone B. just C. then D. only 54. A. of B. in C. with D. at 55. A. sure B. be sure C. want D. being sure