Before windows were used

Before windows were used We___to close the windows before we left the lab?A:tell B:told C:are told D:were told(要理由) 1.We should make sure that all the windows and doors were ___locked before leaving the house.( safe2.We are _____thankful for all your help.(true) You were _____ to close the windows .Why wYou were _____ to close the windows .Why were you so careless? we___to close the windows before we left the lab a.tell b.told c.are told d.were toldthere__nothing really new about writing the letter.a.is b.are c.am d.be ---------(close)the windows before you leave the classrom. Be ----to close the windows before you leave. I____(close)the windows before I leave.动词填空 Before you leave the classroom,please r____to close the windows. ------the windows before you leave the classroom.(please),谢了 Did you--- the windows before buying the curtain? Remember ______(shut) all the windows before you leave 英语翻译根据给出的首字母填空,使其内容通顺.Before windows were used ,old house in Northern Europe and Britain were very d__1__.Their great rooms were high with only one h___2__ to let the smoke out from cooking fire .As time went o 缺词填空 速度、、、、、Before windows were used,old h in Europe（欧洲）and Britain were very dark.Their great rooms were high w only one hole in the roof（屋顶）to let the smoke o from cooking fire.Later,people began to make the ho She lived in the house the windows were broken the windows were ___(break)after the strong wind Close the windows well before going to bed.为什么before后要跟动词ing形式? 关于before( )the windows well before ( )to bed.用close和go的正确形式填空