ans.

例句：

1. 1. The teacher is always ready to help us with our homework.
   老师总是乐意帮我们做作业。
2. 2. We need to find a way to solve this problem without involving anyone's ans.
   我们需要找到一种方法来解决这个问题，不涉及任何人。
3. 3. She has many friends from different countries and cultures.
   她有很多来自不同国家和文化的朋友。