演练巡航
一、
二、1、The acterss who/that played on
the stage is Ann
2、The Titanic which/that was supposed
to be a very strong ship sank in 1912
3、Henry who/that shouted at the waiter
in the restayrant yesterday was impolite
4、I still remember that day when/on which we spent together
5、This is the place where/at which my mother ysed to work
三、