which flat is more explensive.the old one or the new one?不能确定,

which flat is more explensive.the old one or the new one?不能确定, 英语：这里是复数为什么定语从句的关系词为什么用which呢?this is more difficult than the( arts which) involve appreciation of flat forms Which is the room in your flat you love most Tom's flat is more expensive than mine同义句 The flat we live is not large.A .where b.which c.that d.when 问flat 后面 选哪个 which is more important health or grades men or nature ,which is more powerful? Which is more important money or healthy Which is more important,beatuty or ability? Which factor is more important for career Love,friendship,affection,which is more important? Which is more important money or healthy which is more important play card or 怎么用意大利语说which is more popular? theory and practice which is more important Which type of game is more enjoyable. is this flat ___ you once lived in为什么填the one?和 Is this the flat which/ that you once lived in 有什么区别? The Word Is Flat