GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
A、existenceInsomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
Tostudyaforeignlanguage,__________.
Sixty per cent of television viewers chose him as their _______ actor.
