语法总结
比较级与最高级的核心对比
本课同时出现 the most beautiful、larger than、harder than、more interesting、the worst，正好把比较级和最高级放在同一篇里练熟。
相似句：
- This road is longer than that one.
- She is the most careful student in the class.
Joe's = Joe's garden
Bill Frith's garden is larger than Joe's 中 Joe's 后面省略了 garden，这是英语里避免重复的常见表达。
相似句：
- My room is smaller than my brother's.
- Her handwriting is better than mine.
enter 与 enter for 的区别
enter a building 表示“进入某地”；enter for a competition 表示“报名参加比赛/考试”，本课用的是后者。
相似句：
- He entered the room quietly.
- She entered for the singing contest last week.
现在完成时突出“已经布置好的结果”
He has made neat paths and has built a wooden bridge 说明这些设计已经完成，而且现在仍然看得见、起作用。
相似句：
- They have planted many trees in the yard.
- He has painted the door green.