这份文档是针对八年级英语学习的一份期中考试试题，主要涵盖了词汇、语法、短语应用及单项选择等基础知识的考查。以下是对各部分知识点的详细解析：
**I. 根据句意和首字母提示完成句子：**
1. "A lot of vegetables help you to k _____ in good health." 这句话的首字母提示是"保持健康"的英文"keep"。
2. "I hope you enjoy y_____ on New Year’s Day." 预猜单词为"你自己"的英文"yourself"。
3. "T_____ a boat to go to school must be a lot more fun than taking a bus." 可能是"乘坐"的英文"Taking"。
4. "Don’t get s_____ out. It will make you sick." 由上下文推测应填入"压力"的英文"stressed"。
5. "We walk with our f_____." 显然是"脚"的英文"feet"。
**II. 用所给词的适当形式填空：**
6. "Please try _______ (get) back early tomorrow." 这里要用到动词不定式，填"to get"。
7. "Hector became (interest) in math this term." 成为对...感兴趣，用形容词"interested"。
8. "There are some (different) between Britain English and American English." 此处需要名词复数，填"differences"。
9. "Henry finished ________ (write) a letter to his parents yesterday." finish后接动名词，填"writing"。
10. "It’s important to stay (health)." 保持健康，形容词形式，填"healthy"。
**III. 用方框中所给短语的适当形式完成句子：**
11. "We mustn’t laugh at others when they are in trouble." 不应该嘲笑别人，填"laugh at"。
12. "China is famous for the Great Wall." 中国因长城而闻名，填"is famous for"。
13. "Tim was worried about his mother yesterday because she was ill." 提姆担心他妈妈，填"was worried about"。
14. "There are hundreds of books in our school library." 数以百计的书，填"hundreds of"。
15. "What do you think of the transportation in your town?" 你觉得你镇上的交通怎么样？填"think of"。
**IV. 单项选择：**
16. "I have something else to tell you about my best friend." 其他一些事情，填"something else"。
17. "Let’s go horse riding in Inner Mongolia during the coming holiday, shall we?" 去骑马，填"horse riding"。
18. "Daniel’s uniform is the same as John’s." 与...相同，填"is the same as"。
19. "How far is it from your school to the bus stop?" 距离提问，填"How far"。
20. "My sister Kate is better than me at English." 在某方面更好，填"better, at"。
21. "I’ll stop writing. I’m going to the teacher’s office." 停止做某事，填"writing"。
22. "The girl decided on buying the red skirt." 决定买，填"buying"。
这些题目旨在检验学生对英语词汇、语法结构、固定搭配以及在实际语境中的运用能力。通过解答这些题目，学生可以巩固他们的基础英语知识，并提升语言综合运用水平。
