更正:what you should do is to do st; what youshould do is doing st; what youshould do is that 从句

sigua (丝瓜)
(#265728@0)
2001-11-18 -05:00

回到话题: 问一个toefl语法问题

回到论坛: HOME枫下论坛枫下论坛主坛工作学习English

URL:   
http://www.rolia.net/zh/post.php?f=0&p=265728