以下是我认为比较正确的答案：
Hi Maggie,
I hope you're in the pink of the health.I'm writing this email to tell you about some tips of studying.First,you can read some English books and magazine.You can also watch some English movies or videos.Besides that,you need to revise or you can do some workbook and exercises.You can get good marks in the exam if you do this all.
That's all.Hope you can passed with flying colours.Bye!
Love,
Iris
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加深的是修正过的，谢谢
