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Please turn off ______ air – conditioner when you leave ______room.
A. x/the
B. the/the
C. a/x
D. the/a

Random Topics:
Past and Future TensesPresent and Past Perfect TensesTOEFL Adjective and AdverbInfinitives or GerundsComplex SentencesCountable & Noncountable NounsTOEIC Tenses, VerbsAdverb PhrasesTime ConjunctionsPresent, Past, and Future TimeOther quiz:
Grammar & Vocabulary › ViewA noun is…….
A. a person, place, thing, or idea.
B. a word that takes the place of a person, place, or thing.
C. an action or being.
D. a word that describes.
Subject Verb Agreement › View
Pick the right verb form: The majority of the students _________ in favor of the new school policy.
A. be
B. was
C. am
D. is
Modal Verbs › ViewI __________ (can / should) help you with that if you want.
A. shall
B. must
C. can
D. will
Modals › View
All students __________ obey the school regulations.
A. could
B. must
C. are able to
D. will
