Unit8 When is your birthday?

　　初中英語七年級句型：

　　When is your birthday? My birthday is November 11th.

　　When is Liu Ping’s birthday? Her birthday is on September 5th.

　　When is his birthday? It’s March 21st.

　　初中英語語法：

　　月份前用介詞in, in May 在六月， 但是具體到某一天用介詞on, on May 1st.