一、写出下列单词
e.g. 1st first
2nd
5th
8th
20th
12th
4th
9th
3rd

second; fifth; eighth; twentieth; twelfth; fourth; ninth; third

本题考查序数词的英文完整拼写，需要根据给出的序数词缩写形式，写出对应的完整英文单词，参照示例1st对应first的规则，依次写出各缩写对应的全拼形式即可。

二、回答下列问题
1. When is Teachers’ Day?
It’s on 10th.
2. When is Children’s Day?
It’s on .
3. When is Women’s Day?
It’s .
4. When is China’s National Day?
.
5. When is April Fool’s Day?
.
6. When is New Year’s Day?
.
Do you know?（你知道吗？）
Seasons and Festivals in Different Countries
The longest day in the northern hemisphere is on June 21st or June 22nd each year. This is the middle of summer. There’s a Flower Festival for four days each June in California, USA. There is a parade and people go to the flower fields to look at the flowers.
There’s a Chinese festival in the autumn. It’s the Mid-Autumn Festival. People wait to see a big round moon in the sky at night. They eat mooncakes and they light lanterns.
Christmas is on December 25th. It is winter in the northern hemisphere. It is usually very cold. Sometimes it snows. But Christmas in Australia is in summer. It is usually hot and sunny. Some people go to the beach on Christmas Day!
不同国家的季节和节日
每年6月21日或22日是北半球一年中最长的一天。这时正是仲夏。在美国加利福尼亚每年6月有四天鲜花节。那时有个盛大的庆祝游行，人们都到花圃赏花。
在中国，秋天有一个节日，就是中秋节。人们在那天等待夜间赏那圆圆的月亮。他们吃月饼，点灯笼。
12月25日是圣诞节。北半球已是冬季，通常都很冷，有时还会下雪。但澳大利亚在圣诞节期间却处于夏季，天气总是很热，而且阳光明媚，有些人在圣诞节那天到海边去玩耍。

1. September
2. June; 1st
3. on; March; 8th
4. It's on October 1st
5. It's on April 1st
6. It's on January 1st

本题考查常见中外节日的日期相关英语表达，需要结合生活常识记住对应节日的公历日期，掌握"on + 具体日期"的基础用法，按照题目给出的句式填写正确内容即可。