Unit 9Happy birthday!生日快乐！ U u pupil小学生 V v five5 W w window窗户 Happy birthday!Thank you. How old are you?I’m seven.你多大了？我七岁了。 What’s missing! sixseventwothreefivefourone What’s missing? What’s missing? What’s missing? What’s missing? What’s missing? What’s missing? What’s missing? Happy birthday!Happy birthday to you.Happy birthday to you.Happy birthday dear Helen.Happy birthday to you.亲爱的
