1. She sings higher than her brother.
2. This book is more interesting than that one.
3. He runs faster than me.
4. She is smarter than her sister.
5. The weather here is much warmer than in winter.
这些句子都正确地使用了比较级形式，并且比较了两个主体。
1. She sings higher than her brother.
2. This book is more interesting than that one.
3. He runs faster than me.
4. She is smarter than her sister.
5. The weather here is much warmer than in winter.
这些句子都正确地使用了比较级形式，并且比较了两个主体。