[ Grammar ]
You were not supposed to leave the room without permission.
A. You should have asked for permission to leave the room.
B. You must have asked for permission to leave the room.

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Grammar and Passive VoiceVocabulary and Sentence StructureTimeConditional Sentences Type 0, 1 and 2Perfect and Past TensesUnscramble SentenceUncountable NounsModal Verb, Passive VoicePresent TensesVerbs and Possessive AdjectiveOther quiz:
Modal Verbs › ViewShe ___ swim really well because she used to live by the sea.
A. can
B. is able to
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Subjunctive › View
It is essential that every student __________ to learn English at university.
A. had
B. have
C. has
D. to have