my composition ,who can help me correct the mistake?

题目

my composition ,who can help me correct the mistake?
Although training classes or hutors have a lot of advantages,it have its disadvantages as well.For example,it may make the students are used to depending on the teachers.What's worse,hiring tutors or attending training classes may cause some students listen their regullar classes careless.
In my opinion,training classes isn't necessary for us.As I know,there are many people attending different kinds of training classes in my class.I think this part of student's parents give support to do that.Because they think it is good for their children's study.At our school ,a large portion of teachers don't support that.Of cause ,they never forbid.There are times when we finish our study ,do any other things.So I don't agree with someone who attending training classes on weekdays.

答案

Although training classes or hutors have a lot of（改为some,因为你基本上是对它持否定态度,所以a lot of不好） advantages,it have its disadvantages as well.For example,it may make the students are used t...