雙語例句：
Students should aim to become more independent of their teachers.
學生應該努力逐漸減少對老師的依賴。
I see he's become a family man.
我發覺他已變得很戀家。
The environment has become a very hot issue.
環境已成為很熱門的話題。
He became very weak towards the end of his life.
他臨終時很虛弱。
What became of that student who used to live with you?
以前和你住在一起的那個學生后來怎么樣了？