用who,that,which合并句子
问题描述：
用who,that,which合并句子
1.The people were in danger.The soldiers have saved them.
2.The waiter was very polite.He served us tea.
3.Xiaoming works in a shop.The shop sells photo cameras
4.I really like traveing.I like beautiful places.
答
1.The people who were in danger have been saved by the soldiers.
or:The people who have been saved by the soliers were in danger.
2.The waiter who was very polite served us tea.
or:The waiter who served us tea was very polite.
3.Xiaoming works in a shop which sells photo cameras.
4.I really like traveling to the places(that/which is) beautiful .