Question

слова в скобках надо поставить в страдательный залог.
The custom to hold a fight between a man and a bear (to know) in old Russa as "bear fun". Such funs (to paint) on frescos of the Kiev-Sophia Cathedral in 1037. Fights with other wild animals (to write) about in old manuscripts. Bear fights (to be) popular and (to become) a tradition. On national holidays fighte with bears (to hold) in villages, smal towns and big cities on market squares.

Answer 1

The custom to hold a fight between a man and a bear (was known) in old Russia as "bear fun". Such funs (were painted) on frescos of the Kiev-Sophia Cathedral in 1037. Fights with other wild animals (were written) about in old manuscripts. Bear fights (were) popular and (became) a tradition. On national holidays fights with bears (were held) in villages, small towns and big cities on market squares.

Answer 2

The custom to hold a fight between a man and a bear was known in old Russia as "bear fun". Such funs were painted on frescos of the Kiev-Sophia Cathedral in 1037. Fights with other wild animals were written about in old manuscripts. Bear fights were popular and became a tradition. On national holidays fights with bears were held in villages, small towns and big cities on market squares.