You are more outgoing than your sister. It is necessary to help others. I enjoy studying together with my friends. It is easy for us to make friends. Lucy is similar to Lily./Lily is similar to Lucy. 知识点: 比较级句型:be动词+形容词的比较级形式+than 2.be+形容词+to+动词 3.enjoy doing sth. 4.与2相同 5.be similar to 与.相似 (词组)