5 . 根据所给10个英语单句，从所给的15个词汇中挑选出10个合适的词或短语，分别给每个句子填空，注意使用词汇的适当形式。

youth                      adult                                 strategy                       solution sign up for               be responsible for               be addicted to               other than recognise                 quit                                   arrange                       admire anxious                    annoyed                            confident

1. Han felt a little________ on her first school day because she didn’t know how to make a good first impression.
2. It is easy for teenagers________ computer games and the online world.
3. Eric has difficulty in communicating with his parents. He thinks maybe it is because they are________ and can’t understand teenage boys like him.
4. The school________ students’ safety.
5. In Beijing, tourists are able to________ the ancient architecture such as the Forbidden City, the Temple of Heaven and so on.
6. ________the flight ticket, you don’t have to pay for anything.
7. It is believed that making mind map is one of the most helpful learning________.
8. Our English teacher taught us how to________ the text type.
9. Scientists managed to find a________ to the problem.
10. You must________ smoking. It is harmful to your lungs!

8 . 有一个故事关于这个位教授如何在梦中找到了解决问题的答案。(how引导的宾语从句)
There is a story about __________________________________________ in his dream.