Unit8 When is your birthday?4. have a good time = enjoy oneself（oneself 要随主语的变化而变化） = have fun5. school trip 郊游 have a school trip 去郊游 school day 学校开放日 have a school day 举行学校开放日art festival 艺术节 have an art festival 举行艺术节6. have a basketball/ volleybal...
