[ 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:
Vocabulary › ViewWhat is the definition of the word: theme?
A. the message the author is trying to get across
B. a lens through which the readers see and experience the events and feelings about a character through a certain point of view
C. needed; required to be done or achieved
D. to arrange in a systematic way
Modals › View
The students ……. wear uniforms to school.
A. must
B. mustn’t
C. should
D. shouldn’t
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