问答题

You received an email from your friend John, in which he asked whether you could work as a volunteer on a weekend program to help the aged people who live alone.
Write back to your friend,
1) expressing your willingness to participate;
2) asking about what preparations to be made;
3)confirming the time and location for the work.
You should write about 100 words. Do not sign your own name at the end of your email. Use" Wang Lin" instead.