candice512 发表于 2008-2-11 22:11:11
<P>of course! "did"</P>bluewater 发表于 2008-2-19 09:53:57
助动词没有过去式吧?do作为行为动词的过去式是didtxhsghj 发表于 2008-2-20 13:52:09
还是didcaokun 发表于 2008-10-21 15:40:00
很简单,当然是did!!!!!!!!yyjj7 发表于 2008-10-24 10:56:53
感谢共享,多谢,辛苦!!!!!!!!!!!!!!!!!!胖丫丫 发表于 2008-10-24 19:54:13
恩,我有一点电晕mmmotsy 发表于 2008-10-25 10:15:28
靠 是教室吗? ??????????????穆夕雅 发表于 2008-10-25 10:48:01
did!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!mjk_0718 发表于 2008-10-27 20:14:07
did !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!qianpeishan 发表于 2008-10-28 15:32:25
是did 没错, 不会有什么问题地