She has become a famous singer after years of hard work. （经过多年的努力，她已成为一名著名的歌手。）

The weather is becoming colder as winter approaches. （随着冬天的临近，天气变得越来越冷。）

He wants to become a doctor to help sick people. （他想成为一名医生来帮助病人。）

My little brother has become more independent since he started school. （自从上学以来，我的小弟弟变得更加独立了。）

The caterpillar will become a beautiful butterfly. （毛毛虫会变成一只美丽的蝴蝶。）

Our city has become much more beautiful in recent years. （近年来，我们的城市变得更加美丽了。）

Eating too much junk food can make you become fat. （吃太多垃圾食品会使你发胖。）

With the development of technology, our lives have become more convenient. （随着科技的发展，我们的生活变得更加便利了。）

She became interested in painting when she was a child. （她小时候就对绘画产生了兴趣。）

The situation has become very serious and we need to take action. （情况变得非常严重，我们需要采取行动。）

He has become one of the most popular actors in the country. （他已成为国内最受欢迎的演员之一。）

As time goes by, he is becoming more and more mature. （随着时间的推移，他变得越来越成熟。）

The leaves on the trees become yellow in autumn. （秋天树上的叶子变黄了。）

You should try to become a better person every day. （你应该每天努力成为一个更好的人。）

The old house has become a historical site. （这座老房子已成为一处历史遗迹。）

After practicing a lot, he has become good at playing the piano. （经过大量练习，他变得擅长弹钢琴了。）

The problem has become so complicated that we can't solve it easily. （这个问题变得如此复杂，以至于我们无法轻易解决。）

She hopes to become a writer and publish her own books. （她希望成为一名作家并出版自己的书。）

The small town has become a tourist attraction. （这个小镇已成为一个旅游胜地。）

If you keep studying hard, you will surely become successful. （如果你继续努力学习，你一定会取得成功。）