请问这段英语中有什么知识点
问题描述：
请问这段英语中有什么知识点
It was an amazing day because we saw the main sights of the world in just one day.The song and dance shows were also wonderful.We learnt a lot about different cultures. 老师让做预习,写出知识点.快一些.谢谢.
答
amazing amazed
learn about
in just one day
还有吗？能详细点吗？第一句过去时态，包含一个原因状语从句知识点为 amazing 令人吃惊的，修饰物，amazed 感到吃惊的，修饰人in one day 一天之内，介词in的用法 后部分就是learn的用法learnfrom sb.向某人学习learn to do sth.学习做某事learn a lot about sth.十分了解某事最后一个问题，the main sights of the world 中有什么知识点吗？