根据汉语或首字母提示写出单词，使句子完整。

1. People in Lanzhou are doing their best to meet the coming

    International _______ (马拉松).

2. There are three ________ (狐狸) in the zoo.

3. I have ________ (收到) a letter from my pen pal.

4. It is i________ to take away other's things without asking.

5. He is too busy, let me go i________.

当场实施行政强制措施的，应当在（返回岸上后）二十四小时内补办相关手续。