[ Modal Auxiliary Verbs ]
_____ I come in?
A. Do
B. May
C. does
D. are

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Modal Verbs for Permission and ObligationCompliment, Congratulation, and HopePast, Present, FutureTenses and PronounsVerbs & AdverbsRelative & ModalsPronoun-Verb AgreementQuantifiers and AdjectivesLinking VerbAdverbsOther quiz:
Vocabulary › ViewWhat is the meaning of concord?
A. Conflict or disagreement.
B. A type of musical composition.
C. A legal term for a contract.
D. Agreement or harmony.
Vocabulary › View
Pollution can have serious effects_________ the balance of ecosystem.
A. in
B. on
C. to
D. for
Grammar and Vocabulary › ViewWe ________ a good day.
A. did
B. had
C. were
Grammar › View
At work I often _______________ to the radio.
A. hear
B. watch
C. look
D. listen
