Tostudyaforeignlanguage,__________.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
Thewealthofacountryshouldbemeasured________thehealthandhappinessofitspeopleaswellasthematerialgoodsitcanproduce.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
Sorrysir,wedon'thavewineorbeer.Weareonlylicensedtosell_______drinks.
TheTVstation,in________tomassivepopulardemand,decidedtocontinuethesoapopera(肥皂剧).