A. are playing B. plays C. is playing D. play
A.is B.are C.were D.be
A.are B.is C.were D.was
A.were talking B.was talking C.talk D.talks
A.have; have B.has; have C.has; has D.have; has
A.race B.races C.is raced D.is racing
A.are B.is C.has D.have
A.wait B.waited C.is waiting D.has waited
A.is taken B.are being taken C.are taking D.is being taken