-______ did he stay up late last night?
- Because he studied for the English exam.
A. When B. Why C. Where
I don’t know which country will hold the 2020 Olympics, and she has no idea, _______.
A. too B. either C. also
Students should have _______ own ideas when they meet problems.
A. our B. their C. your
书面表达（15分）
假设你已经正式成为一名2010年上海世博会的志愿者。请为一篇80词左右的短文谈谈你的打算，比如可以交许多朋友，努力提高口语，介绍中国历史和美食，学习国外文化知识等等。不要逐条翻译，可适当发挥。
参考词汇：2010 Shanghai World Expo，volunteer, make friends, introduce, cultural knowledge…
在下列各句的每个空格内填上一个适当的完整的单词，该词的首字母已给。
1. T he weather in South China is d from that in North China.
2.My brother finished his homework all by h .
3.I want to have the bike very much. But I can’t a it.
4. The man has a serious i , so he can’t go to work.
5. I don’t know the way to the library. Can I f you?
.根据下列句子及所给汉语注释，写出空缺处单词的正确形式，每空一词。
1. Cindy told me it was her (第二)time to visit Shanghai during the Expo 2010 Shanghai China.
2. Thanks to the policy, which the government is sending home-electric machines to farmers, they can pay much (少的) money.
3. What was the most important (发明) in the 20th century.
4.People are pretty （放松的）about time in Columbia.
5.We’re (筹集)money to help the poor boy.
