完形填空。 The Great Wall of China is 1 to people all over the world. It 2 'The Ten-Thousand-Li Great Wall' in Chinese. Do you know the famous Chinese saying, 'He who does not reach the Great Wall is not a 3 man.' The Great Wall is 4 wall in the world. It is more than 6,000 kilometers long, and 5 four and five metres 6 . In most places it is wide enough for five 7 or ten men 8 side by side (并排) along the top. It was very 9 to build such a great wall 10 our modern machines. All the work had to 11 by hand. Many people 12 to work on the wall far away from their homes. Thousands of men 13 and were buried (埋葬) 14 the wall. The Great Wall was made not only 15 stone and earth, but also of the flesh and blood (血肉) of millions of men. (     )1.  A. helpful (     )2.  A. calls (     )3.  A. good (     )4.  A. long (     )5.  A. between (     )6.  A. long (     )7.  A. horses (     )8.  A. walk (     )9.  A. busy (     )10.  A. with (     )11.  A. do (     )12.  A. is made (     )13.  A. die (     )14.  A. under (     )15.  A. by B. famous B. classed B. important B. high B. among B. wide B. children B. walking B. difficult B. without B. was doing B. was made B. died B. on B. in C. kind C. is called C. true C. the longest C. at C. high C. trucks C. walked C. interesting C. by C. done C. are made C. dead C. in C. of D. known D. is calling D. clever D. the highest D. with D. deep D. chicks D. to walk D. useful D. in D. be done D. were made D. were dead D. below D.form