A. who is B. who are C. which is D. which are
A. know; to blame B. knows; to blame C. knows; to be blamed D. would know; blamed
A. was B. is C. were D. are
A. are B. is C. has D. were
A. is; are B. are; is C. is; is D. are; are
A. are taking B. is taking C. are taken D. was taken
A. was B. were C. had been D. will be
A. were B. was C. is D. sits
A. Have B. Had C. Has D. Is
A. is B. are C. were D. was