[ Tenses ]
The Continental Congress ____ the US Postal Service in 1775.
A. used to found
B. was founding
C. founded
D. has founded

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Vocab and GrammarPossesive Pronouns and Modals of AbilityPast Simple vs Past ContinuousCompound and Complex SentencesModals and PhrasesPassive SentencesGrammar and PrepositionsFuture - will / going to / present continuousPast and Perfect TensesNo Excuse Words / Conjunction SOOther quiz:
Grammar › ViewPizza Bella is _____ restaurant I know.
A. the better
B. the goodest
C. the best
Prepositions of Time and Place › View
how many fish live ____ the sea?
A. on
B. at
C. in