1. 从方框中选择合适的介词填空。（可重复使用）
in on at
① I often plant trees Tree Planting Day.
② We will go to Beijing August.
③ Our English party is November 22nd.
④ — Do they eat mooncakes the Mid-Autumn Festival? — Yes, they do.

1. ① on ② in ③ on ④ at

2. 根据首字母提示填空。
① The summer vacation is usually in J and A.
② Father's Day is in J. We love to thank our dads on that day.
③ Teachers' Day is in S. I usually make cards for my teachers.
④ Mother's Day is in M. We show love to our mums.
⑤ The winter vacation is fun! It usually comes in J and F.
() 3. is in June. We usually sing and dance.
A. New Year’s Day B. Children’s Day C. Tree Planting Day
() 4. — When is your birthday? — It’s December.
A. on B. at C. in
5. When is the Double Ninth Festival?（根据实际情况回答问题）

6. When’s the school trip?（根据图片提示回答问题）


7. not, school, Labour, Day, we, on, to, will, go (.)（连词成句）

2. ① July; August ② June ③ September ④ May ⑤ January; February
3. B
4. C
5. It's in October or November.
6. It's in March.
7. We will not go to school on Labour Day.

二 序数词的用法和构成
1. 选出不同类的一项。
（）A. thirtieth B. thirteen C. twentieth
2. 用所给词的适当形式填空。
① This Wednesday is the boy's (ten) birthday.
② There are cows on the farm. The one is new here. (five)
③ Look at the picture. The (seven) boy is my brother.
④ The sports meet in our school is on the (thirty) of October.
3. Our school trip is on May 5th.（对画线部分提问）
school trip?
4. I have ten grapes.（对画线部分提问）
do have?
5. My birthday is on December 6th.（改为一般疑问句）
birthday December 6th?

1. B
2. ① tenth ② five; fifth ③ seventh ④ thirtieth
3. When is your
4. How many grapes; you
5. Is your; on