A. are B. have C. is D. were
A. is needed B. has needed C. are needed D. need
A. are, are B. are, is C. is, is D, is, are
A. was B. were .C. is D. are
A. has, have B. have, have C. has, has D. have, has
A. is, are B. are, are C. is, is D. are, is
A. is, are B. are, are C. is, is D. are, is
A. is, are B. are, are C. is, is D. are, is
A. become B. has become C. becomes D. is becoming
A. is parked B. was parked C. are parked D. has parked
A. have arrived B. are arriving C. had arrived D. has arrived
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