Toobtainasatisfactoryresult，onemustapplytwo（）ofpaintonacleansurface.
A
暂无解析
Thecountry’schiefexportsarecoal,carsandcottongoods,cars_____themostimportantofthese.
.IfyouhavereallybeenstudyingEnglishforsolong,it’sabouttimeyou_____abletowritelettersinEnglish.
Ofcourse，（）mostimmigrantsdidnotgetrichovernight，buttheofthemwereeventuallyabletoimproveupontheirformerstandardofliving.