This week was my first week of semester 2.求检查语法错误!

题目

This week was my first week of semester 2.求检查语法错误!
This week was my first week of semester 2.I took Pre-calculus11,Social Study11,Accounting 11 and Psychology.They are all very good course and not so many Chinese students in my class.I will try my best,work hard this semester.

答案

在第三句的and后补上几个单词才完整.
……and there are not so many …… (我班上没有这么多中国的学生)