How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,
+ [; r; k! ^- d! U% j0 c2 ^tvb now,tvbnow,bttvb: J: o& J* ~& R  p5 g7 b/ k
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?- ]0 Y/ d/ n8 a  x# F: C+ P

; H) f8 H4 W2 @. E" G5 H/ _* e; c5 _tvb now,tvbnow,bttvbThank you very much