[ Modals of Obligation ]
We _______ recycle our plastic bottles to reduce waste.
A. must
B. may
C. can
D. ought to
Random Topics:
Past simple regular verbsPhrasal Verb and ModalInterjections, Tag Questions and Nouns of Direct AddressDemonstrative SpeechConjunction and PunctuationComplex SentencesFuture Tense (will/be going to/p.continuous)First Conditional, Future Time ClausesPerfect Verb TensesGrammar : Structural Common ErrorsOther quiz:
Countable & Noncountable Nouns › ViewAre there (…) computers in the library?
A. much
B. some
C. any
Grammar › View
… tell me what time it is, please?
A. Must
B. Do
C. Could