-- What did he say?
-- He told me ______.
A:which floor did he live
B:where he lives on
C:which floor he lived on
D:which floor he lives
2005年中国邮政为纪念中国电影百年华诞而发行了一张纪念邮票。该邮票纪念的影片最有可能是
下列离子组能在溶液中大量共存的是( )