[ Passive Voice with Modals ]
Food waste ______ composted to create fertilizer.
A. must be
B. can be
C. may be
D. should be

Random Topics:
Preposition after some VerbsGerunds and ModalsPast Simple VS Used toLinking Verbs and TensesMaritime Vocabulary and Grammar-ing form and the to-infinitivePhrasal Verb Put & GoAntonymsGrammar - much, many, a lot ofMixed ConditionalOther quiz:
Prepositions › ViewEmily is completely different ____ her sister.
A. about
B. to
C. from
D. at
Past Simple › View
Did you ……………. TV last night?
A. watched
B. watch
C. watching
D. to watch