Topics: 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:
Expressing Obligation and ModalsPast Perfect vs Past SimplePresent Perfect Simple & ContinuousGrammar: Adjectives & Prepositionswas wereMust Vs Have toAdverbs by TypeSuch...that, so ......thatTenses and StructuresPresent Perfect and Simple Past TenseOther quiz:
Articles › ViewI want to be ______ nurse.
A. a
B. an
Adjective and Adverb › View
Recycling is a … way to reduce waste.
A. bad
B. good
C. expensive
D. difficult
E. unnecessary
