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st. A. Why B. Since C. As D. As a result[ 19. Yang Zhenning is over 80, ____________ he is very healthy. A. but B. and C. or D. because 20. Brain sits between ____________ and ____________. A. she, I B. his, I C. her, me D. she, me 21. Though there is something wrong with the boy’s legs, he is a ____________boy. A. happy and brightly B . happily and bright C. happily and brightly D. happy and bright 22. Li Ping likes maths very much. She does her best ____________ maths well. A. to learn B. learn C. learning D. of learning 三 . 完形填空 China is a great country. There are many places of interest. Have you ever heard the Great Wall in China? It is 1 of the wonders of the world and is 2 to people all over the worlD. The Great Wall 3 long ago. Everybody in China will tell you that it was built in the Qin Dynasty (秦朝 ). In Fact, it 4 a long period of time in China’s 5 . We can 6 tell how many years it took. We don’t know how many stones 7 build the wall. We don’t know how many people died in building the Great Wall. We 8 can say that it was built 9 the blood and sweat of the Chinese working pe