This video is helpful to me, hope to you too

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• yes! open mouth is really important. This is my problem. This vi -rockcurrent- ♂ (38 bytes) () 05/08/2012 postreply 20:06:43

• You are welcome, current. Yes, that's my prob. too -同学小薇- ♀ (0 bytes) () 05/08/2012 postreply 20:32:50

• Thank you, Xiaowei. -EnLearner- ♂ (0 bytes) () 05/08/2012 postreply 21:21:09

• Very useful! Thanks! -NewVoice- ♀ (0 bytes) () 05/09/2012 postreply 03:08:11

• Great one, I love her exaggeration! 谢谢薇薇！ -非文学青年- ♀ (323 bytes) () 05/09/2012 postreply 09:27:05