A. is going B. are going C. has been going D. have been going
A. were stone B. were stones C. was stone D. was stones
A. is B. are C. were D. have been
A. am going B. is going C. are going D. was going
A. are B. were C. is D. was
A. is parked B. was parked C. are parked D. has parked
A. are believed B. had believed C. has believed D. believe
A. is B. are C. were D. be
A. are ruined B. was ruined C. were ruined D. have been ruined