In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Thefurnitureinherbedroomisquitedifferentfrom________inthelivingroom.
Hisintelligencewill________himtogetascholarshiptocollege.
Notuntilrecently_____thatThompsonhadbentellingthetruthallalong.
Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.
