[ Modal Verbs ]
You … pay to visit most museums and art galleries. Entrance is usually free.
A. mustn’t
B. don’t have to
C. both are correct

Random Topics:
Vocabulary & GrammarRelative & Interrogative PronounsPresent Progressive (Future)Because / soEs and SPast Simple and ContinuousIntermediate GrammarGerund & InfinitivesAdverbs and Time ExpressionsCompound and Complex, ConditionalsOther quiz:
Relative Clause › ViewWhat do you call someone _____ writes computer programs?
A. which
B. whose
C. when
D. that
Simple Future Tense › View
Will John and Diana see each other again soon?
No, ________. ____________for a year.
A. they won’t. They won’t see each other again
B. they will not. They won’t see
C. they will not. They not see
D. they won’t. They not see each other again
Verb Tenses › ViewHe ________ the guitar when he was in high school.
A. played
B. play
C. plays
D. had played
Grammar › View
We went to the ______________ to watch the beautiful and colourful birds.
A. Coop
B. Aviary
C. Kennel
D. Aquarium
