Topics: Modal Verbs
You _________ introduce me to Dr. Gray. We have already met.
A. shouldn’t
B. needn’t
C. mustn’t
D. couldn’t
Select your answer:

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Conjunctions and ClausesGrammar: MorphologyNarrative TensesPassive Voice with Modal VerbsLexico and GrammarNoun QuantifiersReported - GerundAdjectives vs AdverbsModals: Possibility, Necessity, ExpectationPresent tense AffirmativeOther quiz:
Grammar › ViewWhere is your party?
A. It’s In Orchard Street .
B. It’s at Orchard Street.
C. It’s on Orchard Street.
Vocabulary › View
Multiple sets of measurements or observations in a scientific investigation.
A. testable
B. data
C. trials
D. control group
