Ittookmeamonthtogetrid_______thecough.
A、forC
get rid of ：摆脱掉，处理掉
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Thetwogirlscompetedwitheachother______thehighestmark.
_______foryourlaziness，youcouldhavefinishedtheassignmentbynow.
Theprofessoraskedaquestion,andDavid________agoodanswer.
Thenewdiscovery_______beofgreatservicetomankind.
