Tostudyaforeignlanguage,__________.
A、agooddictionaryshouldbeboughtEachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.
