[ Grammar ]
Students _____ turn off their mobiles during lessons or the teacher will take them away.
A. must
B. mustn’t
C. needn’t

Random Topics:
Vocabulary and ModalsPast Perfect vs Past SimpleHomophone & HomonymApostrophe GrammarPrepositions & Modal VerbsPresent Simple, Present Continuous or Present PerfectConjunction: Because and SoSimple Verb TensesModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityPast ContinuousOther quiz:
Conjunctions › ViewWhich conjunction makes sense?
I don’t like cats, _______ I love dogs.
A. also
B. if
C. but
Auxiliary Verbs, if, unless and Modal › View
He __ not believe what he saw.
A. could
B. may
C. shall
D. will
Wh- Questions Present Simple Tense › View…….. are you late? (Because I miss the bus)
A. Who
B. Why
C. What
D. Where
Modal Verbs › View
You ____ hit your sister again! Do you understand ?!
A. have to
B. should
C. ought to
D. mustn’t
