How to make normal sql query to dynamic sql query?

Question

Hi i have normal sql query like:

 'SELECT @studentKey = studentKey , @teacherKey = teacherKey , @name= name, @course= course, @stnumber= stnumber FROM  #temptbl  WHERE ID = @id'

@studentKey int
@teacherKey  int
@name VARCHAR(4000),
@course VARCHAR(4000),
@stnumber int
@id int