下面是四年级下册英语第三单元的词汇和重点句子：

词汇

september

october

november

december

first

second

third

fourth

fifth

eighth

ninth

twelfth

twentieth

thirty

forty

fifty

sixtieth

party

interesting

special

Costume

hide

seek

excited

Children's Day

National Day

Teacher's Day

Christmas Day

重点句子

When is your birthday?

My birthday is in June.

What's the date?

It's June 9th.

When is Children's Day?

It's on June 1st.

When is National Day?

It's on October 1st.

When is Teacher's Day?

It's on September 10th.

When is Christmas Day?

It's on December 25th.