把下列句子变为定语从句形式
问题描述：
把下列句子变为定语从句形式
1:The soldies moved the boxes to a mine.They wang to hide them.
2:Xi'an is one of the few cities with city walls.Its walls remain as good as before.
3:Shanxi Province is a place with many cultural relics,They are well looked after.
答
1.The soldior moved the boxes to a mine in which they wanted to hide them.
2.Xi'an is one of the few cities with city walls which remains as good as before.
3.Shanxi Province is a place with many cultural relics which are well looked after.