Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
Itisusefultoscience_______theearthasanobjectinspace.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
ItwasthreeBritishsportsmenwho________banneddrugs.