[ Passive Voice with Modals ]
Organic waste ______ composted to reduce landfill waste.
A. can be
B. must be
C. may be
D. should be

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Phrase or ClauseTransitive or Intransitive VerbsMesopotamia VocabularyModals, Conditionals, and Clauses- Defining, Non-definingSentence Structure and Grammar RulesGrammar SuffixesIdentifying Sentence TypesPast Simple or Past ContinuousNouns as AdjectivesWill vs be going toOther quiz:
Grammar › ViewYou can take the train to Luxor, —— you can fly.
A. or
B. but
C. so
D. and
Grammar › View
They (fly)___________ to Seattle next summer holidays
A. flies
B. flew
C. fly
D. will fly