Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
A、offOthersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Attendanceatfootballmatcheshave_____sincethecomingoftelevision.
Theenginehasbrokenandtheboatis______onthewater.
It________asashocktorealizethatIwasnotaloneintheroom.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
