三、书面表达。
假如你是Kelly，你在某英文网站上看到一家宠物医院正在招募志愿者，你非常感兴趣。请根据下面的内容提示和要求，给医院负责人写一封电子邮件，申请成为志愿者。
内容提示：
①你想服务的岗位；
②你的兴趣爱好；
③你想在这里做志愿者的原因；
④你的空闲时间。
要求：
①包含以上所有要点，可适当发挥；
②80词左右。

One possible version:
Dear Sir/Madam,
I know from the Internet that your pet hospital wants volunteers. I would like to volunteer as a nurse in your pet hospital. In my free time, I enjoy playing with pets and looking after them, so I think I can do this job well.
I keep a dog at home. When he was young, he got sick one day. I looked after him carefully for a few days, and then he got better. Now he is three years old and looks strong and healthy.
I hope to make more pets healthy and happy like my dog. I'm free to help on weekends.
I'm looking forward to hearing from you soon.
Yours,
Kelly