Aftersomanydayswithoutrain,thegroundquickly________thelittlerainthatfelllastnight.
TheTVstation,in________tomassivepopulardemand,decidedtocontinuethesoapopera(肥皂剧).
Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
________somanypeopleintheUnitedStatesbeenoutofworkastoday.