Dear sir,My name is Li Ming .I am a middle school studeng.I Want to help oyt as a volunteer in your center.I Iove animals and I do like to help them.I have some medical Knowledge.I can be a good halper.I live near your center and it takes about ten minutes to get there by subway.What's more,I'Mfree on weekends and I can take part in the activities.If I get the chance,I won't let you down.Looking forward to your reply.

Yours sincerely,

Li Ming