[ Past Modals ]
“What about someone with a key? A member of staff, perhaps?”
“It ___ have been one of the staff as I’m the only person with a key.”
A. must
B. can’t

Random Topics:
Who vs WhomParticipal PhrasesClauses and ConjunctionSentence Fragments and Complete SentencesWill vs be going toand, so, but, becauseSimple Present and Present Continuous TenseHave to/Has toParallelism and Subject Verb AgreementSo....that... Such.......thatOther quiz:
Modal Verbs › ViewFind a similar sentence:
It was a very difficult test but we managed to finish it on time.
A. We had to finish the test on time.
B. We can finish the test on time.
C. We were able to finish the test on time.
D. We didn’t finish the test on time.
Vocabulary and Grammar › View
Micki has … a presentation
A. give
B. never give
C. never given
D. gave
Vocabulary › ViewHe gave no hint that he was in pain.
A. purpose
B. clue
C. target
D. affair
E. wage
Modal Verbs of Certainty and Possibility › View
It ______ very easy for him to tell her.
A. couldn’t have been
B. mustn’t have been
