many buildings were leaned down to the ground.语法错误?答案是改成leaning.房子被弄倒在地上了,不就是被动语态吗?

Were there many tall buildings?如题 Many old buildings were(pulled down)and new buildings are being built, A great number of buildings were _____A great number of buildings were _____ (destroy) and.many people were homeless in the heavy flood many houses and buildings were ________(destroy) inthe earthquake应该填什么啊. In the past years many high buildings were widely know.变被动咋变? There were no tall buildings in Shanghai many years ago.句意不变＝There _____ _____ tall buildings in Shanghai mangy years ago The visitors were surprised to see so many buildings going up at the same time.为什么用going up形式 Many of these buildings were poorly designed and constructed and have since been demolished?since 为何插在中间 There are many a____ buildings in Beijing. many tall buildings的意思是什么 __ houses and buildings were destroyed in the earthquake.A.Such manyB.Too muchC.A great many ofD.A great number of为什么?请详细说明每个选项, 这里为什么不能直接用过去式were builtIn the past three years,many new buildings have been built in my hometown. 帮我看看谢谢While the rescuer workers struggled with trapped roads,in South many peopel were pulling any survivors from the under of collapsed buildings. There were __tall buildings in our hometown many years ago. A 、none of B、not any选哪一个我觉得两都对 __ houses and buildings were destroyed in the earthquake.A.Such manyB.Too muchC.A great many ofD.A great number of为什么?请详细说明每个选项, Many old building were and new buildings are being built. A.put down B.fell down C.pulled down选哪个 many buildings were leaned down to the ground.语法错误?答案是改成leaning.房子被弄倒在地上了,不就是被动语态吗? many buildings were -----or srriousiy damaged in zhe big fireAburned down Bburned up C burned off D burned out知道的请回答,谢谢．．．．