[ Tenses ]
They _____ playing tennis now.
A. is
B. are
C. am
D. be

Random Topics:
Past Simple VerbsSynonymTenses and ArticlePresent simple, Present continuous, Singular, PluralActive vs. Passive VoicePast and Present TensesMix-TensesModals and Past ModalsComparison of Adjectives and AdverbsSentence StructureOther quiz:
Grammar › ViewHe speaks English ____________ (good).
A. best
B. better
C. goodly
D. well
Grammar › View
__________ there fifty-two weeks in a year?
A. Is
B. Was
C. Are
D. Were
