[ Grammar ]
You _____ seen Helen. She was standing right next to you at the party!
A. shouldn’t have
B. can’t have
C. couldn’t have
D. must have

Random Topics:
Grammar - could / could notIELTS VocabularyTemporal Conjunctions and ConnectivesModals and VocabularySimple Present Tense vs Present Continuous TenseLinking VerbGrammar Past and Future TenseCan vs CouldSimple Past - Irregular VerbsModals and Modal PerfectsOther quiz:
Future Continuous Tense › ViewSara will not be ___________________________ her room when you arrive home.
A. tidy
B. tidies
C. tidied
D. tidying
Preposition › View
There was an accident ……………………….. the crossroads this morning.
A. on
B. in
C. at
D. between
Homophones › ViewI bet ___ a responsible person.
A. your
B. you’re
Articles › View
My father bought … new car yesterday.
A. a
B. an
