________,Johnhasbeentoseveralforeigncountries.
Ifound________toanswerallthequestionswithinthetimegiven.
Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
Tostudyaforeignlanguage,__________.
对手工业的社会主义改造，采取了积极领导、稳步前进的方针。
