[ Modal Verbs ]
Passengers …….. check-in their bags before they fly
A. must
B. mustn’t
C. don’t have to
D. shouldn’t

Random Topics:
Relative & ModalsGrammar - Verb FormsFuture SimpleClauseVocabulary : Coming & GoingMixed ConditionalsMesopotamia VocabularyRegular Plural NounsPassive Voice - Present ContinuousPresent Perfect and Simple Past TenseOther quiz:
Grammar › ViewI study English at 8 O’clock. ___________ do you study English?
A. When
B. Where
C. What
Grammar › View
He was………..person I’ve ever known (ugly)
A. He was the ugliest person I’ve ever known
B. He was the uglier person I’ve ever known
C. He was uglier than person I’ve ever known
Tenses › ViewI……………..chess with him since I…………..here.
A. have played / moved
B. played / moved
C. play / move
D. played / have moved
Modal Verbs › View
You ___________ interrupt the customer when he’s talking. It’s impolite.
A. shouldn’t
B. don’t have to
