Topics: Tenses Usage
Before renewable energy became affordable, most industries _____ on fossil fuels.
A. relies
B. relied
C. had relied
D. rely
Select your answer:
Random Topics:
Past ParticiplesVocabulary and Sentence StructureModals of Obligation and PermissionActive and PassivePresent Perfect vs Past Simple TenseConjunctions and Verb Tensesas...as, comparatives, superlativesWho vs WhomFuture Tense - will and going toAuxiliary Verbs & Question TagsOther quiz:
Grammar - help/have/let/make › ViewThe doctor ____ me take off my shoes so he could see my broken foot.
A. had
B. made
C. let
Grammar › View
It’s warm. Take _____ your coat!
A. Off
B. On
C. Out
D. Up