is there any mistake?

[happys82]

Students who participate in the group activities have the opportunity to meet friends who have the same problems as theirs. Moreover, they have a chance to express themselves more comfortably.

 

[tedtmc]

Students who participate in the group activities have the opportunity to meet friends who have the same problems as theirs. Moreover, they have a the chance to express themselves more comfortably.

not a teacher

 

[happys82]

Thanks a lot