[ Modal Verbs ]
They ___________ have taken the wrong train; they are late.
A. could
B. should
C. must
D. might
Select your answer:
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Compound and Complex, ConditionalsModal Verbs of Deduction and SpeculationGrammar-Present Continuous-Sentence MakingSimple Future - WillGrammar ErrorsTenses and Verb FormsPast Continuous Tense & Past ModalsTOEIC Tenses, VerbsVerb Tenses and ModalsTenses, Determiners & Subject Verb AgreementOther quiz:
Grammar › ViewShe ___ imagine how exciting it would be to see a polar bear.
A. may
B. might
C. can
D. could
Modal Verbs › View
It was a ________ tiring day that we all fell asleep watching TV.
A. so
B. such