麻烦帮我分析一下英语定语从句的句子成分并还原定语从句，下午急用

Question

1.St Petersburg is a very beautiful city. It was once called Leningrad.
2.I remember the soidier. He told me not to tell anyone what I had seen.
3.The soldiers moved the boxes to a mine. They wanted to hide them.
4.Xi`an is one of the few cities with city walls. Its walls remain as good as before.
5.Shaanxi Province is a place with many cultural relice. They are well looked after.
分析一下英语定语从句的句子成分

Answer 1

1.St Petersburg is a very beautiful city. It was once called Leningrad.
St Petersburg is a very beautiful city, which was once called Leningrad.

2.I remember the soidier. He told me not to tell anyone what I had seen.
I remember the soidier who told me not to tell anyone what I had seen.

3.The soldiers moved the boxes to a mine. They wanted to hide them.
The soldiers moved the boxes they wanted to hide to a mine.

4.Xi`an is one of the few cities with city walls. Its walls remain as good as before.
Xi`an is one of the few cities with city walls whose walls remain as good as before.

5.Shaanxi Province is a place with many cultural relice. They are well looked after.
Shaanxi Province is a place with many cultural relics, which are well looked after.

Answer 2

1 St Petersburg is a very beautiful city which was once called Leningrad.

2 I remember the soidier who told me not to tell anyone what I had seen.

3 The soldiers moved the boxes they wanted to hide to a mine.

4 Xi`an is one of the few cities with city walls whose walls remain as good as before.

5 Shaanxi Province is a place with many cultural relics, which are well looked after.
第一句中St Petersburg is a very beautiful city是主句，was once called Leningrad.是从句。

Answer 3

1.St Petersburg is a very beautiful city. It was once called Leningrad.
St Petersburg which was once called Leningrad is a very beautiful city。
which在定语从句中作主语

2.I remember the soidier. He told me not to tell anyone what I had seen.
I remember the soidier who told me not to tell anyone what I had seen.
who在定语从句中作主语

3.The soldiers moved the boxes to a mine. They wanted to hide them.
The soldiers moved the boxes which they wanted to hide to a mine.
which 在定语从句中作宾语

4.Xi`an is one of the few cities with city walls. Its walls remain as good as before.
Xi`an is one of the few cities with city walls whose walls remain as good as before.
whose在定语从句中作定语

5.Shaanxi Province is a place with many cultural relice. They are well looked after.
Shaanxi Province is a place with many cultural relics which are well looked after.
which在定语从句中作主语