A. has painted B. is painted C. is being painted D. is painting
A. should be; be operated on B. were; must be operated on C. be; was operated on D. was; be operated on
A. had been built B. was built C. was being built D. is being built
A. is holding B. has held C. is held D. will be held
A. has informed B. have informed C. has been informed D. have been informed
A. rewarded B. were rewarded C. will reward D. will be rewarded
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