[ 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:
Vocabulary › ViewACCESSORY: They gave us some accessories.
A. Papers allowing us to enter a country
B. official orders
C. ideas to choose between
D. Extra pieces
Vocabulary and Grammar › View
At the end of our story, “A Job for Valentin”, who is the real lifeguard?
A. Bob Dylan
B. Valentin
C. Maricela
D. Mrs. O’Brien
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
