They’re holiday had to be cancelled because of a fire at the hotel. is this statement correct?

No, this is not right. It should be "Their holiday had to be cancelled because of a fire at the hotel."

Explanation:

If you can change the whole sentence though, it would sound best as "Their holiday had to be cancelled due to a fire at the hotel."

Their = something they own

They're = they are

There = a place

she was killed in her home during hurricane katrina. b.she was relocated to another town after hurricane katrina. c.she died trying to get victims of the hurricane to safety. d.she is still missing — police do not know where she is.