Question

—A ticket to London, please —S... or return? Что это за пропущенное слово?(

Answer 1

Пропущенное слово -Single

Answer 2

Missing Word in Dialogue

The missing word in the dialogue "A ticket to London, please — single or return?" is "single."

Source: - Source Title: ' ' - Snippet: "Jan 17, 2011 ... The bilingual dictionary is thus given theoretical status. By maintaining conceptual integrity of linguistic units, a DPC user is given a means..."

This word is commonly used in the context of purchasing a one-way ticket rather than a return ticket.