昨天参观动物园的那些人来自北京用定语从句做
问题描述：
昨天参观动物园的那些人来自北京用定语从句做
这个老人从来不会忘记他的狗被卖那一天
答
1 Those people who visited the Zoo came from Beijing.
2.The old man never forget the day when his dog was sold.