How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,www2.tvboxnow.com, H- m% G$ ~; C* R& q/ Y& c5 ^6 g

  |; w4 A1 X% w3 sAnyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
0 J9 w* _$ Q2 ^" ?- c3 ~tvb now,tvbnow,bttvb5 j; s3 V. p% c9 }; R; Q7 `
Thank you very much