请把所给的句子翻译成英语，每个空格填写一个词。
1. 他说帮助别人改变了他的生活。
He said __________ others __________ his life.
2. 如果你知道其他什么人收集贝壳的话，请告诉我。
Please tell me if you know __________ else who __________ shells.
3. 将来人们会活到150岁。
People will __________ __________ be 150 years old in the future.
4. 全球人都应关注濒临灭绝的野生动物。
All the people in the world should care for wild animals __________ __________.
5. 我想你可以向警察求助。
I think you could __________ the police __________ help.
6. 你都想象不到他有多奇怪！
You can't __________ how __________ he is!
7. 有四分之三的学生已经通过了考试。
__________ __________ of the students have passed the exam.
8. 为什么不给她买一条围巾呢？
__________ __________ you get her a scarf?
