One is teacher ,the other is student .为什么the other后面不加名词怎么可以随便省略,

the one ( )glasses over his eyes is my teacher. ( )_______of the______ _______from China.A.The one,teacher,is B.One,teacher,are C.One,teachers,is D.The one,teachers are There are two teachers in the room.One is old,the other is young.The young teacher is the old teacher's son .But theold teacher isn't the young teacher's father.Who is the old teacher ,then? There is one teacher in the classroom.(对画线部分one提问) There is only one woman teacher in the office 对only one 提问 He has two sons ,one is a doctor ,the other is a teacher.one.the other .是固定搭配吗? She has two children. One is a doctor, and the other is a teacher. 的中文翻译 which is your teacher?the one( )thick glasses is AwearsBwear Cwith Dhas,说明理由 He has two sons.One son is a doctor .The other son is a teacher Teacher:Here are two birds,one is a swallow,the other is a sparrow . a statement that is true for one teacher is notecessarily true for the He has two d_____,one is a nurse ,the other is a teacher. one is teacher,.is a nurse.A another B others C others D the other The English dictionary on the teacher's desk is a most useful one.为什么不是the most useful one one is worker,is a teacher Is this problem （ ）the teacher explained yesterday?A、that B、the one the teacher's office is on the one floor 哪里错了? The one in the red is my teacher.They're driver.改为一般疑问句