________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
ItwasthreeBritishsportsmenwho________banneddrugs.
Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.