Topics: Modal Verbs
They __________ known about the event if they had checked their emails.
A. must have known
B. could have know
C. could have known
D. must have knew
Select your answer:
Random Topics:
Grammar (want to/ need to/ have to)Grammar and AdverbsFigure of SpeechComparatives, Superlatives, and ModalsInfinitive and GerundsModal AuxiliariesCausative VerbsModal and Modal PerfectWh QuestionsGrammar - Verb FormsOther quiz:
Prepositions of Time › ViewShe has a job interview ___ July 2nd.
A. in
B. on
C. at
Prepositions › View
Andrew went __________ bus to school.
A. at
B. on
C. by