同学你好，该知识点来自沪江网校《大学英语四级高效备考【2024年6月】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好
写得不错哟～ 以下一些小细节可以修改一下
best 改为 most。
have themselves telephone 应该改为 have their own telephones。
That our lives become more convenient attribute to the phone 可以改为 The telephone makes our lives more convenient。
In this situation, the telephone is especial important. 应该改为 In this situation, the telephone is especially important.
When we see a advertisment 应该改为 When we see an advertisement.
use telephone to reserve 应该改为 use the telephone to reserve.