Look! Xiao Wang is too sleepy to work . He ____ up watching TV .
Beforethewarbrokeout,manypeople________insafeplacespossessionstheycouldnottakewiththem.
It’stenyearssincethescientist________onhislife’sworkofdiscoveringthevaluablechemical.
Tokeephealthy,ProfessorJohnson_______cyclingasregularformofexerciseafterheretired.
Helenalwayshelpshermothereventhoughgoingtoschool______mostof herday.
Thefinalexaminationiscomingupsoon.It’stimeforusto_______ourstudies.