Hiswife,towhomhe__________forthirtyyears,waschildless.
Whatdoyouthinkofhismotionthatwe__________aplayattheEnglishevening?
必要的;基本的adj.要素，要点n.e_______________
交易;事务;处理n.t_______________
Allcitizensinthisnationare__________tothelaw.
NexttimeI__________there,I’llaskthemaboutit.