I do expect to be one of the class. 表示强调的意愿。
表达 一种强烈的愿望
有很多种。常用的以下就可以。
I am really eager/anxious to be a member of the class.(be eager/anxious to do sth)
I desire to be a member of the class very much.(desire to do sth)
I'd like to be one of the members of this class.
I desire to be a member of the class so much!
I'm dying to be one of the members of this class.