[ 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:
Modals › ViewThe team ________ meet at 9 AM, but the unexpected delay in transportation led to a rescheduled meeting time in the afternoon.
A. were supposed to
B. was suppose to
C. was supposed to
D. supposed to
Comparison › View
The painting we saw in the national museum is not ______ this one
A. as gorgeous
B. so gorgeous as
C. more gorgeous as
D. the most gorgeous
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
