Trees were being planted here this time last year.变过去进行时主动语态快

Trees were being planted here this time last year.变过去进行时主动语态快 The trees in the yard with snow looked more beautiful.A covering B being coveredC covered D were covered With trees and grass( )百分之39.6 of the area,the city of Weifang has taken on a new look.A.covered B.covering C.tobe covered D.being covered.为什么选A?With trees,flowers and grass ______ everywhere,my native town has taken on a new book.A.pla 句中being作什么成分The village seemed deserted,the only sign of life ____ some trees waving ni the howling wind.A.were B.being C.was D.to be为什么不用were? we were delighted to find the trees planted a year before ____very tall,应填growing还是being grown还是having been growing 几个初三英语单选题when ___ ur school ___?A.did buildB.was builtC.is builtD.was buildingWhen we got there,the trees ___A.are being cut downB.were being cut downC.has been cut downD.are cut down They were cutting trees变被动语态 there were lots of little trees There were apple trees,orange trees and pear trees.(改为否定句) lots of trees were cut down and some kinds of trees () A.were disappeared B.disapeared ---- the PLA,they were saved and sent to the saety in floods. As many members ----were present agreed to the pla. A who Bthat C which Das Millions of trees are being cut down to make paper. These holes for the trees _______ being _______(dig) now. Millions of trees are being cut down now.是什么语态? lives were being saved in emergrncies.为什么用were being saved 而不是were saved PLA是什么意思? PLA是什么意思?