How to use "ghosts" in a sentence

Friends suddenly appear in the canyon like silent ghosts and wave me towards them

"We could do pictures of ghosts." His youngest sister looked puzzled

But she didn't believe in ghosts

She believed in death and taxes, in the inevitability of slot-machine jackpots, in all-you-can-eat casino buffets for $5.95 per person, in the Lord God Almighty, in the truth of alien abductions and Big Foot, but she didn't believe in ghosts.

Vivienne had to remind herself that she didn't believe in ghosts.

Most of his friends had shared his avid interest in ghosts and ghouls; besides, the grotesque hadn't been his only interest, so she had decided not to worry about it.

Twin plumes of crystallized breath trailed behind them, like ghosts.

An expression of pain settled over Billy's face, as if he were suffering genuine physical discomfort because of Elliot's belief in ghosts

Apparently, Billy liked his view of the world to be as neat and uncluttered as everything else about him; if he started believing in ghosts, he'd have to reconsider his opinions about a lot of other things too, and then life would become intolerably messy.

London around me looked like a city of ghosts

I go to London and see the busy crowds in Fleet Street and the Strand, and it comes to my mind that they are just the ghosts of the past, walking the streets that I have seen silent and empty, spirits in a dead city