Topics: Modals of Obligation
Visitors _______ register in advance for the guided tour of the museum. However, they are free to come and visit without a guide anytime.
A. must
B. mustn’t
C. can
D. can’t
Select your answer:

Random Topics:
Modal and Modal PerfectInversions and SubjunctiveVerbs & Phrasal VerbsAbilityDegrees of AdjectivesConditionals (0 - 1 - 2)Verbs and AdverbsFigurative Language VocabularyModals and PrepositionPast Simple, Past Continuous, Past PerfectOther quiz:
Grammar › ViewI passed all my exams. I ____passed my math exam.
A. only
B. even
Subject-Verb Agreement › View
The dogs next door ____________ me.
A. Lick
B. Licks
