[ Modal Verbs ]
You ______ wear shorts to school. Please put your school uniform on.
A. must
B. mustn’t
C. have to
D. don’t have to

Random Topics:
Linking Words and PhrasesCoordinate ConjunctionSuffixes and TensesQuantifierModal Verbs for SpeculationModals of AdvisabilityGrammar of Future PlansGerund/ To Verb/ VerbFuture - will / going to / present continuousReported Speech and TensesOther quiz:
Vocabulary › ViewThe book lies __________ the lamp, waiting to be read.
A. beside
B. besides
Articles and Demonstratives › View
Is this ____ new teacher that had to come?
A. a
B. the
C. zero article
Modals for Obligation › ViewJohnny! You _______ play with sharp knives. Put that knives down immediately!
A. don’t have to
B. have to
C. mustn’t
D. must
Grammar › View
I came _______ England to improve my English.
A. in
B. at
C. into
D. to
