[ Grammar ]
I _____________ heard about you before.
A. have
B. did
C. was
D. were
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Modals and Modal PerfectsConjunctions and Verb TensesPronouns, Sentence Structure, and Figurative LanguageAdjectives & PrepositionQuantifierPast Perfect and Past Perfect Continuous TenseTo infinitive - GerundClauses and ConjunctionsIntermediate PrepositionsDistinguishing Future TensesOther quiz:
Vocabulary and Grammar › ViewChoose the correct comparative form: This solution is ________ than the previous one.
A. effective
B. more effective
C. most effective
D. effectiveest
Grammar › View
a mistake in logic
A. faulty reasoning
B. false premise
C. false consensus
D. fake news