的确自己练习进步小. 那么找本地普通人可以改进么? 老师有什么优势?

来源: suvescape 于 2009-10-06 15:19:57 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.