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Edison ,1847 Lu Xun ,1881 Li Siguang ,1889 Newton 1642 Nie Er 1912 Curie 1867 Who is this man/woman? When is his/her birthday? A: When is your birthday? B: My birthday is March 8th. A: How old are you? B: I’m nine (years old). Practice in pairs. When is her birthday? Her birthd