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（2010广西省梧州市，38，1）These trees in our school______ten years ago. A.were planted B.are planted C.planted D.was planted （2010山东省莱芜市，31，1）Every year lots of trees _______ to make our country more beautiful. A．is planted B．was planted C．are planted D．were planted （2010湖北省襄樊市，39，1）- What a clean and clean and bright classroom , isnt it ? - Yes , its always clean and bright because it _________ every day . A. cleans B. cleaned C. is cleaned D. was cleaned （2010广西省桂林市，38，1）Thousands of houses _______ by the floods in Guangxi last month. A.destroy B. destroyed C. have destroyed D.were destroyed （2010北京市，34，1）The road ______ last year. A. builds B. built C. was built D. is built （2010广西省定西市，8，1）( )The students how to do the experiment in class yesterday. A. were taught B. better C. was taught D. teach （2010广西省定西市，四，1）( )5.--Where the2010 World EXPO ? --In Shanghai. A.does，hold B. has，held C. will，hold D.is，held 答案：ACCDCAD | 
