问题
填空题
Dear Sir or Madam,
With reference to your advertisement in China Daily on November 28th, 2008, I am writing to express my interest in applying for the captioned post.
I am presently a programmer at Success Securities. Ltd., and my 2-year contract will expire soon. By applying for the post I am looking forward to switching to a larger, more sophisticated and more computerized company so that I can enrich myself to meet the challenges that a large company poses.
Please refer to the enclosed resume for the technical details of my past duties. I would be available for an interview at your convenience. Thank you for your attention to this application.
Yours truly,×××
Why will he change his job
Because his 2-year contract（）
答案
参考答案：will expire soon
解析：
由第二段第一句可以得到答案。