Question

My brother … fond of body-building *1 баллareamis​

Answer 1

Ответ:

is

Объяснение:

My brother = he.

С местоимениями he, she, it в Present Simple используется форма is

Answer 2

Ответ:

My brother is fond of body-building.

Answer 3

It seems like you're trying to complete a sentence about your brother being fond of bodybuilding. Here's a more complete sentence for you:

"My brother is fond of bodybuilding."