[ Noun and Modal Verbs ]
Passengers _____ check in online, but they _____ arrive at least 2 hours before international flights.
A. must, needn’t
B. don’t have to, must
C. have to, mustn’t
D. needn’t, have to
Select your answer:
Random Topics:
Past Continuous TenseVocab and GrammarRelative Clauses and etcPresent Perfect SimpleModals of Obligation & ProhibitionConditional Sentences with Modal VerbsPronouns and AdverbsSecond ConditionalFrequency AdverbsBe going to / WillOther quiz:
Tenses › ViewThey ____ the budget next quarter.
A. will balance
B. balanced
C. are balancing
D. were balancing
Conjunctions › View
Do you want to study history ____ geography today?
A. and
B. or
C. but