To my mother's suprise,I did so well in the final -term exam.（改为复合句）

Question

My mother _____ _____that I did so well in the final-term exam.

Answer 1

My mother was suprised that I did so well in the final-term exam.
将主动化为被动即可。

Answer 2

was suprised

Answer 3

was suprised