“今年15岁。我最喜欢的科目是英语，因为我对英语感兴趣。”怎样翻译，译成英语 。

I'm 15 years old.My favourite subject is English,because i am interested in English.

I am fifteen years old. My favourite subject is English because I am interested in it.

I am fifteen years old. My favourite subject is English because i am interested in it.
(remember no comma before or after because)

Nice to meet you!

I am 15 years old.My favorite subject is English.Because I am interested in English.

I am 15.Because of my interest , English is My favourite subject.