All who completed the voluntary （） on Friday will receive a certificate recognizing their participat...

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completed complete having been completed have been completed

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completed complete had been completed have been completed

has been completed has completed will have been completed will have completed

are completed have been completed completed had been completed

completed have been completed had been completed been completed

Completed To be completed Being completed Having completed

completed complete had been completed have been completed

has been completed has completed will have been completed will have completed

has been completed has completed will have been completed will have completed

has been completed has completed will have been completed will have completed