电话用语This is...的自我介绍 — 英语填空题
题目
Mike 打电话找 Lily，接电话的是 Lily 的妈妈。请根据电话用语，把下面这段对话补充完整（每空一词）：
Mike: Hello! May I speak to Lily, please?
Lily's mum: Hold on, please.
Lily: Hi! ___ is Lily speaking. Who's that?
Mike: Hi, Lily! ___ is Mike. Let's go to the park this Sunday.
Lily: Great! See you then.