How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,tvb now,tvbnow,bttvb9 g  y- w, l: r# Y* s2 p6 J
5 X) w% w  K4 d8 Z  e2 k* _
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?
7 N1 |$ l1 n. e; Y9 u5.39.217.77
- a0 r) I- D) _Thank you very much