Which modal verb is used to tell someone that it is a requirement that they do something?
A. might
B. may
C. should
D. must

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Grammar-Verbs & Nouns Singular, Plural, GenderPronunciation and VocabularyPresent Simple for Future ArrangementAction VerbIntermediatePossessive NounsSimilesTransportation VocabularyUnscramble SentencePresent Simple and Present Continuous TensesOther quiz:
Relative Clauses › ViewThe moment____I learned the results of the art competition was one of the worst times in my life.
A. which
B. when
C. where
D. why
E. who
Grammar › View
Choose the correct form for Passive Voice
The delegation will meet the visitors at the airport
A. The visitors will met at the airport by the delegation
B. The visitors are met at the airport by the delegation
C. The visitors are going to be met at the airport by the delegation
D. The visitors will be met at the airport by the delegation
_____ the demands of aerospace, medicine, and agriculture, aengineers, are creating exotic new metallic substances.
A. Meet
B. Being met are
C. To meet
D. They are meeting
Grammar › View
I … to learn to ski.
A. like
B. love
C. would like
