英语填空,Before windows were used ,old houses in Northern Europe

英语填空,
Before windows were used ,old houses in Northern Europe and Britain were very (1)d____.Theri great rooms were high ,with only a hole in the roof to let out the (2)s_____ from cooking fires .As time went (3)b_____ ,people began to make the holes (4)b_____so as to have more lighe and air in their homes.
The first English window (5)w____just a small opening in the wall .It was cut long ,to let in as much light as (6)p____,and narrow ,to keep (7)o_____ of the bad weather.However,with the windows cut long,m______wind than light would come in,this is w_____it was called"the wind's eye".And the word"window" comes f_____ two ancient words for "wind" and "eye".