Use the be-passive form of the verb in brackets in the past simple. A craft worker controlled a fine brush as the instrument: the cedar panel ___ with the brush during yesterday's workshop. (decorate)

Объяснение

Was decorated supplies the requested past simple be-passive, while the following with-phrase names the worker's instrument. Got decorated is a standard informal get-passive, but it does not follow the be-passive form required by the instruction.