I am not good at English,so I do not want to read English text before my classmates. I do badly in English,so I do not want to read English text before my classmates.
I don't want to read English text before my classmates because my English is poor. I don't want to read English text before my classmates because I'm poor at English. I don't want to read English text before my classmates because of my poor English.
The reason why I don't want to read English text before my classmates is that I am poor at English. Because I am poor at English,I don't want to read English text before my classmates.