No. 1 and 2 are true for sure, from my own experience.

来源: tantema 于 2014-07-09 10:23:30 [博客] [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.