She wants to become a famous singer when she grows up.（她长大后想成为一名著名的歌手。）

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

He has become much more confident after taking part in many competitions.（参加了许多比赛后，他变得自信多了。）

It's easy to become tired if you don't get enough sleep.（如果你睡眠不足，很容易变得疲惫。）

My dream is to become a doctor and help people.（我的梦想是成为一名医生并帮助人们。）

The weather has become colder recently.（最近天气变冷了。）

With hard work, he finally became successful in his career.（通过努力工作，他最终在事业上取得了成功。）

The small town has become a popular tourist destination.（这个小镇已经成为一个受欢迎的旅游胜地。）

You should become more responsible for your actions.（你应该对自己的行为更加负责。）

Eating too much junk food can make you become fat.（吃太多垃圾食品会让你变胖。）

As time goes by, our friendship has become deeper.（随着时间的推移，我们的友谊变得更加深厚。）

She has become very interested in painting lately.（她最近对绘画变得非常感兴趣。）

The old house has become a ruin over the years.（这些年来，这座老房子已经变成了一片废墟。）

He hopes to become a professional athlete one day.（他希望有一天能成为一名职业运动员。）

The situation has become more complicated than we thought.（情况变得比我们想象的更复杂了。）

Children should learn to become independent at an early age.（孩子们应该从小就学会独立。）

After years of study, he became an expert in this field.（经过多年的学习，他成为了这个领域的专家。）

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

We should try to become better versions of ourselves.（我们应该努力成为更好的自己。）

Her face became red when she heard the compliment.（当她听到赞美时，她的脸变红了。）