Use the be-passive form of the verb in brackets in the past simple. The town sculptor was the agent: the memorial plaque ___ by the town sculptor in 1998. (carve)

Բացատրություն

Was carved forms the requested past simple be-passive, and the by-phrase identifies the sculptor as the agent. Got carved can form an informal get-passive, but it does not satisfy the instruction to use the be-passive form.