[ Modals ]
They’re doing an exam there. You …………………. go in.
A. mustn’t
B. don’t have to

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CommasModals - Reported Speech - ConditionalsFuture FormsPast Tense and Past ContinuousPast Simple and Past Continuous TensesAdjective Clause and Adverb ClauseModal Verbs for Permission and ObligationMixed GrammarSo / Neither / Either / TooSentencesOther quiz:
Passive Voice - Past Simple › ViewPaper __________ by the Ancient Egyptians thousands of years ago.
A. was used
B. is used
C. will be used
Grammar › View
Yesterday she bought … hat
A. an
B. a