1. (2021·十堰) 选择单词或词组，用其适当的形式填空，使句子意思正确、通顺。（每词限用一次，其中两词多余）

die; politely; check out; fair; quarter; yours; clear out

1. （1） My bike is broken. May I use ?
3. （2） Nearly three of the earth's surface is covered by water.
5. （3） I took lots of photos yesterday just to the new camera.
7. （4） We Chinese feel sad that Dr. Wu Mengchao in May, 2021.
9. （5） When you visit a foreign country, it is important to know how to ask for help