单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 1 Hello,Hello Sarah!Do,oh,do,Hello,John!,Do,oh,do,Hello,Mike!Do,oh,do,Hello!Hello!Hello!,？,？,？,？,？,Wu Yifan,Sarah,Mike,Chen,Jie,Miss White,Im,我是,.,Wu Yifan,.,Goodbye!,Bye!,Bye,1.Hello!Hi!,2.Bye!Goodbye,!,3.Im.,Homework,1.,用,Hello!/Hi,打招呼,2.,用,Goodbye./Bye.,道别,