[ Past Modals ]
Our security system shows that he swiped in with his badge at 8:14 AM, so he ________ been in the office yesterday.
A. should have
B. must have
C. might have
D. could have
Select your answer:

Random Topics:
Tense,noun,preposition,quantityMixed TensesGrammar-Verbs & Nouns Singular, Plural, GenderDirect and Indirect QuestionPresent Perfect vs Past Simple TenseSimple vs Present Continuous TensesInversions and SubjunctiveGRAMMAR - Could / Could notTake or PutModals and Present TensesOther quiz:
Grammar › ViewYou _____________ given me a great year.
A. have
B. are
C. were
D. had
Grammar › View
We _____ to Canada
A. haven´t be
B. hasn´t been
C. hasn´t be
D. haven´t been
