How much are you going to _____ me for repairing this radio?
Beforethewarbrokeout,manypeople________insafeplacespossessionstheycouldnottakewiththem.
It’stenyearssincethescientist________onhislife’sworkofdiscoveringthevaluablechemical.
Tokeephealthy,ProfessorJohnson_______cyclingasregularformofexerciseafterheretired.
Helenalwayshelpshermothereventhoughgoingtoschool______mostof herday.
Thefinalexaminationiscomingupsoon.It’stimeforusto_______ourstudies.