[ Modals: Possibility, Necessity, Expectation ]
Students are not supposed to close their doors during study hall.
A. OK
B. Not OK

Random Topics:
Adverbs, Modals, Preposition of timeZero ConditionalAdjective & AdverbModal Verbs and Gender Nouns1st and 2nd ConditionalsPre-intermediateReported Speech and Reported QuestionsSuperlativesOpinion / AgreementAdverbs of Time and PlaceOther quiz:
Grammar › ViewI listened but I _____ any noise.
A. can’t heard
B. couldn’t hear
C. couldn’t heard
Tenses › View
In which tense do we use the structure ‘Subject + has/have + been + Verb(-ing)’?
A. Simple Present Tense
B. Present Continuous Tense
C. Past Perfect Tense
D. Present Perfect Continuous Tense
