[ Modals of Obligation & Prohibition ]
Doctors _____ to register for classes.
A. can
B. have to
Select your answer:

Random Topics:
Verbal CommunicationWh- Questions Present Simple TensePassive Voice - Past SimpleSo....that... Such.......thatConditional Sentences Type I, IITOEIC GrammarModal and Relative PhrasesFinite and Non-Finite VerbVocabulary and ModalsModals of Necessity and SuggestionOther quiz:
Grammar › ViewThe students prepared in advance for the Science Fair.
A. Correct as is.
B. Omit in advance.
Prepositions › View
Pay attention ____________ the plot because you’ll need to summarize it.
A. to
B. in
C. on
D. form
