写一个简单句并将一简单句变成4种形式的定语从句

The boy is my classmate.The boy who is singing in the next room is my classmate.The boy is my classmate whose name is Yao Ming.The boy that you told me yesterdayis my classmate.The boy who gave a ta...再来一组Thank you！！！！Marywill never forget the day.玛丽永远也不会忘记那一天。Mary,who is our English teacher,will never forget the day.Marywill never forget the day when she gave a speech in her class.Marywill never forget the day that she spent with her best friend.Marywill never forget the day when shetook a walk with her boyfriend.