[ Passive Voice ]
Electricity ….. Edison
A. was discovered by
B. was invented by
C. was designed by
D. was based on

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Comparative & Superlative AdverbsTenses and QuestionsAdverbs and AdjectivesSimple Present ProgressiveCoherent Sentence with Correct Grammar StructureModalsPast and Perfect TensesPronouns and Subject Verb AgreementModals of ProhibitionSubject-Verb AgreementOther quiz:
Grammar › ViewEspecially in the autumn, be on the lookout for _____ when you are driving.
A. deer
B. deers
Modals and Modal Perfects › View
I ____ finish an essay tonight.
A. have got
B. mustn’t
C. need to
