[ Modal Verbs ]
It was required to show ID before boarding the flight. → Passengers __________ show ID before boarding the flight.
A. had to
B. have to
C. should
D. mustn’t
Select your answer:

Random Topics:
Verb Tenses and Past ParticiplesConjunctive Adverbs and PunctuationAdjectives (-ed / -ing)SubjunctiveGrammarPassive VoiceSentence Structure and ConjunctionsPunctuating ClausesPresent Simple PassiveHomophone & HomonymOther quiz:
Passive Voice › ViewThe five great lakes of the world ___ in Michigan.
A. can find
B. can be found
C. can found
D. found
Grammar › View
sam named his pet rufus
Which answer is correct?
A. Sam named his pet rufus.
B. sam named his pet Rufus.
C. Sam named his pet Rufus.
