序数词用法问题Venus is now eleventh in the world,and her younger sister Serena has moved up to third.该句中为什么eleventh和third前不用冠词?

序数词用法问题Venus is now eleventh in the world,and her younger sister Serena has moved up to third.该句中为什么eleventh和third前不用冠词? Venus is the only star that can be seen now.请问对于上面这个句子,下面的改法对不对：Venus is the only star can be seen now.Venus is the only star seen now. what is happening on venus a+ 序数词是什么用法 序数词的用法 英语中序数词的用法 序数词加ly的用法 “a+序数词+time”是什么用法 Venus is the ( )plant to the eart Venus is the older sister翻译 关于岁数的基数词和序数词的用法拜托了各位 the boy is only_____.Today is his___birthday.填six的基数词和序数词 英语翻译Venus and Serena Williams Venus and Serena Williams are sisters.They are also both tennis champions who often have to play each other!Venus is now eleventh in the world,and her younger sister Serena has moved up to third.The two sisters w the+序数词和a+序数词的用法区别 关于街道与序数词的用法My address is 16 King street.请问该处的数词16为什么不用序数词?街道的号码不应该是存在顺序的吗?那应该是要用序数词吧.为何是基数词呢? The bank of America is second to Citiguop in total assets这是序数词的什么用法 基数词和序数词的基本用法 基数词和序数词的用法 a加序数词加名词是什么用法?