[ Grammar (was, were, could, could not) ]
In 1950, people_________use mobile phones.
A. could
B. couldn’t
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Conjunctions and PrepositionPast Perfect Simple & ContinuousTOEFL GrammarTenses - AuxiliariesTypes of Sentence StructureAdverbial Clause of MannerKinds of NounsSimple and Progressive Verb TensesConjunction and PunctuationPresent Simple, Present Continuous or Present PerfectOther quiz:
Articles and Pronouns › ViewSelect the best pronoun to complete the sentence.
He helped ___ fix the flat tire.
A. me
B. myself
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A banana is
A. countable noun
B. uncountable noun
Grammar › ViewEveryone on the team _______ the coach.
A. support
B. supports
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Which word is a verb?
A. desk
B. blue
C. tree
D. throw