假如你是Sandy。请根据提示词语，介绍一下你的好朋友Gina Green。提示词：

friend, name, birthday,  favorite subject, English, interesting, favorite sport,  tennis, relaxing, after school, play tennis, want to be, a teacher.

要求：1.句子通顺、语意连贯；2.文章应包含所给提示词；3.不少于50词。

    Hello!My name is Sandy. I have a good friend.