Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
A、playHethoroughlyunderstoodthesociety__________.
Tostudyaforeignlanguage,__________.
Thestudentfoundthenovel_______.Itprovidedhimwithsomuchinformationaboutthesubject.
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
