高一必修二英语，改定语从句。麻烦讲一下，多给几种改法

Question

1.the woman remembered the day,she saw Nazis burying something near her home.
2.the soldiers moved the boxes to a mine ,they wanted to hide them
3.Xi'an is one of the few cities with city walls.Its walls remain an good as before

Answer 1

楼上不太对劲
1.The woman remembered the day when/on which she saw Nazis burying something near her home.
2.The soldiers moved the boxes to a mine where/in which they wanted to hide .
3.Xi'an is one of the few cities with city walls ,whose walls remain an good as before.
(或者whose可改为the walls of which或者of which the walls）
望采纳！！！

Answer 2

Xi'an is one of the few cities whose city walls remain an good as before . 表示所属关系
the woman remembered the day when she saw Nazis burying something near her home.用关系副词

the soldiers moved the boxes to a mine which they wanted to hide.