[ 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:
![](https://grammarquiz.net/static3/wait.gif)
Random Topics:
To infinitive - GerundWill, Be going to, Present ContinuousPresent Perfect and Simple Past TenseInfinitive FormsEssential and Nonessential ClausesModals of Obligation & ProhibitionPossesive Pronouns and Modals of AbilityNoun, Adjective, and Adverb ClausesTransitional Phrases and ConjunctionsOther quiz:
Grammar › ViewMarch is the _______________ month of the year.
A. first
B. second
C. third
D. fourth
Grammar › View
This living room looks nice __________ there are not any pieces of paintings.
A. because
B. although
C. however
D. despite