[观察例句]
1. There were deep cracks that/which appeared in the well walls.
2．Two thirds of the people who lived there were dead or injured.
3．The number of people who were killed or badly injured in the quake was more than 400，000.
4．Soon after the quakes，the army sent 150，000 soldiers to Tangshan to dig out those who were trapped and to bury the dead.
5．Workers built shelters for survivors whose homes had been destroyed.
6．A doctor with whom James used to work died in the 2016 earthquake in Ecuador.
7．Mr.Li is an architect whose designs for the new town of Wenchuan have won praise.
8．The supplies which were provided to the disaster area were collected from around the country.
