1.我认为它在你祖父母的房间里。 2.我整洁，但吉娜却不。3.----他们的钥匙在哪儿？---

以下仅供参考1、I think it is in your grandparents room
2、I am tidy, but Gina do not
3、Where are theirs· keys?they are on the desk
4、Are their keys on the sofa? No, they are not. They are on the table.