[ Modals of Obligation ]
We _______ recycle our plastic bottles to reduce waste.
A. must
B. may
C. can
D. ought to
Select your answer:
Random Topics:
Grammar: Parts and PunctuationPast simple - Irregular VerbsPronouns and AdverbsModal AuxiliariesComparison Degree & GerundsTenses, Determiners & Subject Verb AgreementGrammar: is/are/was/wereTransitive or Intransitive VerbsRelative ClausePhrases and ClausesOther quiz:
Grammar › ViewWe use ice_______ cooling down the hot water.
A. on
B. by
C. for
D. with
Wish clause › View
I wish this English course_____ the whole year.
A. will last
B. may last
C. lasted
D. last