“我成绩还算不错”得英文怎么说？

Question

怎么说啊，我要想一个美国人介绍我自己，都不会说，有查不到有人问！

Answer 1

I am not bad in study.

Answer 2

My grades are fine.
外国比较讲究GPA ： grade points average

Answer 3

I did quite well in my study

参考资料：如果您的回答是从其他地方引用，请表明出处

Answer 4

i do a good job in study.
i can totally handle my work.