Examples Analysis: ■ 1.我生于北京，在广州参加工作。 I was born in Beijing,and joined the workforce in Guangzhou. I was born in Beijing,and got employed in Guangzhou. 2.老虎被他们打死了。 老虎被打死了。 老虎打死了。 88 Examples Analysis: ◼ 1. 我生于北京，在广州参加工作。 ◼ I was born in Beijing, and joined the workforce in Guangzhou. ◼ I was born in Beijing, and got employed in Guangzhou. ◼ 2. 老虎被 他们打死了。 ◼ 老虎被打死了。 ◼ 老虎打死了