Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
我国对资本主义工商业的社会主义改造基本完成的标志是_______。
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.