A. is B. are C. hasbeen D. was
A. is B. are C. was D. were
A. has B. have C. are D. was
A. was B. were C. havebeen D. hadbeen
A. am B. is C. are D. will
A. are B. were C. was D. havebeen
A. have been B. has C. hadbeen D. have
A. are B. is C. were D. have
A. are B. is C. were D. was