Grammar Quiz
[ Vocabulary ]

Medicine must be_____proved safe before being they are sold to the public.

A. definitively

B. definition

C. define

D. definitive

Select your answer:
A  B  C  D  E 


Random Topics:

Past Tense and NeutralSimple Past Tense and Present Continuous TenseModals for DeductionHelpful Phrases Vocabulary, Grammar, SpellingAdjectives or AdverbsFuture PlansGrammar - Compound SentencesPresent Perfect or Past SimpleNumbers

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