[ Modal Auxiliaries ]
“I locked myself out of my apartment. I didn’t know what to do.”
“You ________ your roommate.”
A. could have called
B. may have called
C. would have called
D. must have called

Random Topics:
Grammar and Sentence CorrectionAdverb of MannerGrammar - Sentence StructureSimple Present Continuous TenseModal Verb Gerund or To InfinitiveAdverbs of DegreeModals Of SpeculationRelative - ConditionalSimple Present VS Present ContinuousAction vs Linking Verbs/ Verb PhrasesOther quiz:
Grammar › ViewShe went to the party __________ she was feeling unwell.
A. even though
B. because
C. although
D. since
Grammar › View
The winners, ………..won the competition, will receive money and other prizes.
A. where
B. who
C. whom
D. whose