[ Passive Voice with Modals ]
Glass bottles ______ reused to reduce pollution.
A. can be
B. must be
C. may be
D. should be

Random Topics:
Modal and Phrasal VerbsVocabullary TestVerbs + Gerund or InfinitiveGerundBecause / soPronouns, Verb, ConjunctionModals and PhrasesPresent Perfect or Past SimplePlaces in TownPrepotitionsOther quiz:
Modals › ViewYou ___ bring an umbrella, as it might rain later.
A. should
B. must
C. can
D. could
Tenses › View
By next year, they ___ in London for five years.
A. will live
B. live
C. will have lived
D. lived
Grammar › ViewI was ……… Italy.
A. In
B. To
Grammar › View
A human has two …. to hold and touch something.
A. hand
B. handes
C. hands
