[ Modal Auxiliary Verb ]
Which modal verb do we use to express a moral obligation?
A. Need
B. May
C. Might
D. Should

Random Topics:
ConjunctivesWas and WerePast Simple TenseInfinitive or GerundVocabulary and PhrasesPresent SimpleVerbs: Action, Linking, and HelpingSubordinating ConjunctionPast SimpleVerb + Infinitive or GerundOther quiz:
Grammar › ViewWe _______ speak when the teacher’s speaking
A. should
B. shouldn’t
C. must
D. mustn’t
Relative Clause › View
Atlanta is the city ___________ the Olympic Games were held in 1996
A. that
B. where
C. when
D. which