Grammar Quiz

[ Tenses Usage ]

Solar energy _____ the dominant source of power within a decade.

A. becomes

B. will become

C. became

D. will have become

Select your answer:
A  B  C  D  E 


Random Topics:

Grammar and EssayNouns and QuantifiersPresent, Past and Future TensePunctuation and GrammarTag QuestionGrammar - Present PerfectModals of ObligationCountable - UncountableAlthough / DespiteSimple Tenses

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