They __ them at the police station when I arrived.
​

They or them at the police station when I arrived.

Объяснение:

Я точно знаю будет or

kate's cake is tastier than ann's cake,isn't it.

cake-единственное число поэтому is.

breaking a mirror will bring you 7 years of bad luck. it's bad luck to have a black cat cross your path. if you see a shooting star it will bring you good luck.