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Vocabulary and IdiomsPresent Tense vs Past TensePrepositions and TensesHomophone & HomonymQuestion tag and + - AgreementTenses and Word FormationVerb Tenses and AgreementZero ConditionalTenses and ConclusionsTenses: Present simple, Past Simple, Future SimpleOther quiz:
Grammar › View______ United States working on global warming?
A. Is
B. Are
Present Tenses › View
He (not finish) doing it yet.
A. haven’t finished
B. finished
C. hasn’t finished
D. finishes
