如何使用 "become" 造句

1. That has become a pattern .
这已成为一种模式。
2. But pcs have become commodities .
但是个人电脑已成为商品。
3. Please become a good leader .
请成为一位好的领导人。
4. The game would become lively .
冲突将变得很激烈。
5. How dependent have we become ?
我们变得有多依赖?