1.露茜比托尼外向。
2.第一个问题容易，第二个问题更容易。
3.汤姆比山姆强健。
4.这本书比那本书有趣。
5.在中国，英语比日语受欢迎。
參考答案:1.露茜 is more extroverted than 托尼.
2.The first problem is easy, the second problem is easier.
3.Tom is stronger than Sam.
4.This book is more interesting than that book.
5.In China, English is more popular than Japanese.
