[ Grammar and Idioms ]
What is the opposite of “mandatory”?
A. Required
B. Optional
C. Necessary
D. Compulsory
Random Topics:
Give, do and makeSimple and Past TensesModal Verbs and ConditionalsModals: Possibility, Necessity, ExpectationComparative AdverbsAlong & AgainstState Verbs and Action VerbsPerfect Tenses of VerbsGerund and InfinitiveVerbals and GerundsOther quiz:
Vocabulary › ViewPolitical candidates who do nothing but ___ their opponents’ character and abilities may alienate voters.
A. deride
B. ingenuous
C. decrepit
D. revel
Past Tenses › View
They _______ (arrived/was arriving) at the airport when the flight _______ (departed/had departed).
A. arrived/had arriving
B. had arrived/departed
C. Was arriving/departed