become的短语搭配

　　He became very weak towards the end of his life.

　　他临终时很虚弱。

　　What became of that student who used to live with you?

　　以前和你住在一起的那个学生后来怎么样了？

　　My parents had fixed ideas about what I should become.

　　父母对我应该成为什么样的人有定见。