[ Mixed General Quiz ]
The Ohio River is one of the most important rivers ___ the United States.
a. on
b. at
c. in

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Present Continous TensePresent Perfect & Past Simple TenseParts of Speech and GrammarPast Tense, Recount Text, and Future TenseTo Infinitive or GerundPossessive Adjectives & Possessive PronounsGerund and InfinitiveGrammar - Present Perfect TenseOpinion / AgreementVerb & GrammarOther quiz:
Tenses › ViewHis ____ has been growing over the years.
A. wealth
B. wealthy
C. welth
D. wealths
Present Tense › View
This book …… to my uncle.
A. is belonged
B. is belonging
C. belongs
D. belong
Modal Verbs › ViewYou ___ eat more vegetables.
A. could
B. would
C. Should
Mixed General Quiz › View
Sir Edmund Hillary, one ___ the first men to climb Mount Everest, was a New Zealander who trained first in the New Zealand Alps.
a. (nothing)
b. an
c. of
