they

他们；它们；她们英释中释pronused to refer to two or more people or things that have already been mentioned or are already known about

1 Bob and Sue said they wouldn’t be able to come..鲍勃和休说他们来不了。

2 Ken gave me some flowers. Aren’t they beautiful?.肯送给我一些花。很漂亮吧？

3 They all want to come to the wedding..他们都想来参加婚礼。