Use the verbs in the appropriate forms, active or passive. 1 — What gate number do we need? — I don’t know. Our flight (25) … yet.

25 - has not been announced (Present Perfect, пассивная форма)
26 – travels (Present Simple, активная форма)
27 - are packed (Present Simple, пассивная форма)
28 - will be delivered (Future Simple, пассивная форма)
29 - was lost (Past Simple, пассивная форма)
30 - have (Present Simple, активная форма)