1. I need to extend my stay in Shanghai for another week. (我需要延长我在上海的逗留时间。)
2. The company decided to extend the deadline for the project. (公司决定延长项目的截止日期。)
3. Can you extend your arm a little further so I can measure it accurately? (你能不能把手臂伸得更远一点，这样我可以准确地测量？)
4. The school will extend the library hours during exam week. (学校将在考试周延长图书馆的开放时间。)
5. The road construction project will extend all the way to the next town. (这个道路建设项目将一直延伸到下一个镇。)
6. I will need to extend my membership at the gym for another month. (我需要将健身房会员资格延长一个月。)