用恰当的关系词补全句子并体会其功能。
1. This is a place where/in which roses grow wild.
2. The biggest challenge at the initial phase was to persuade people to work for me, which was totally outside my experience.
3. Zhang therefore decided to return to her home town and grow roses, which surprised many people.
4. As people say, it takes a village to raise a child.
5. As someone who /that grew up in the country, Zhang already knew about growing plants.