以a结尾的单词四个字母

　　In this area oxen are used to pull carts.

　　这个地区用牛拉车。

　　Krishna stands downstage in the open area.

　　克里希那站在舞台前部的开阔区域。

　　Where does Europe end and Asia begin?

　　欧洲和亚洲的交界处在哪里？

　　The gala evening was attended by royalty and politicians.

　　王室成员和政坛要人参加了这个晚会。