On some holidays or special days, there are expressions people say.
课上内容（Lesson）
In your country, what do people say on these days?
On New Year's Day, people in my country say "Happy New Year" "be in good health"
Happy Birthday
Congratulations!
Happy New Year!
Happy Mother's Day
I love you./ Happy Valentine's Day # /'væləntaɪn/ valentine
In China
端午节 Dragon Boat Festival 5th day of the 5th lunar month
清明节 Qingming Festival; 15th day from the Spring Equinox; 4, 5 or 4月6日
中秋节 Mid-Autumn Festival 15th day of the 8th lunar month
重阳节 Double Ninth Festival; Chung Yeung Festival 9th day of the 9th lunar month
腊八节 Laba Festival 8th day of the 12th lunar month
国庆节 National Day October 1st every year
七夕 Qixi Festival ；Chinese Valentine's Day； Double Seventh Festival On the 7th day of the 7th lunar month
春节 Chinese New Year; Spring Festival First day of the first month of the Chinese calendar (between 21 January and 2月20日)
除夕 Chinese New Year's Eve；
建军节 Army day Army Day is celebrated on August 1 to commemorate the Nanchang Uprising
Foreign Country
植树节 Arbor day National Tree Planting Day is on November 6.
劳动节 Labour Day; International Workers' Day every year on May Day (1 May)
复活节 Easter Easter will be celebrated on Sunday, April 21. As mentioned above, Easter can fall as early as March 22 and as late as April 25.
万圣节 Halloween October 31
情人节 Valentine's Day February 14
圣诞节 Christmas December 25
平安夜 Christmas Eve December 24
感恩节 Thanksgiving Day On the fourth Thursday of November
母亲节 Mother‘s Day May 10
父亲节 Father's Day June 21
愚人节 April Fool's Day April 1
词汇（Key Word ）
take turns 轮流；依次
musicians perform 音乐家表演
tropic theater 热带剧院
annual adj. 年度的；每年的 n. 年刊，年鉴；一年生植物
celebrate vt. 庆祝；举行；赞美；祝贺；宣告 vi. 庆祝；过节；举行宗教仪式