How to convert the Dual Language RMVB to 1 Language AVI

hahakl

Hi,tvb now,tvbnow,bttvb! Z7 I+ U7 n# y4 {
. P* L6 \& t. D1 a) f+ r
Anyone know what software can I use to convert the 2 language RMVB to 1 language AVI?tvb now,tvbnow,bttvb' N: u8 l1 Y7 D* i
# `, b! H  h0 `5 a
Thank you very much