Question

Saule is very proud … his brother. A) off B) of C) in D) out E) on

Answer 1

Saule is very proud … his brother.
B) of
To be proud of-устойчивое выражение

Answer 2

Ответ В(of) правильный

Answer 3

Saule is very proud of his brother.

The correct preposition to use in this sentence is "of." Saule is expressing pride in his brother, indicating that his brother is the source of his pride. Therefore, the correct answer is B) of.