Unit 1 When is your birthday?一、选择题1. How old are you?( ) _________﹣A.In October B.I'm twelve C.Canada2.But it wasn't birthday.( )A.KenB.KensC.Ken's3. When is your birthday?( ) _________﹣A.In October B.I'm twelve C.Canada.4.There are _______ seasons in a year.( )A...