Use the passive(present or past) and so/such
1. A: This is.........a good book.
    B: Who........it..........(write) by?
    A: Philip Pullman. It's great. I'm........excited about what happens next.
    B: I think that book.........(chose) for a prize.
    A: Yes, it was. He's........a good writer!
2. A: There's a music festival at the weekend.
    It's............(advertise) in the local newspaper.
    There are..........a lot of famous groups coming!
    B: It's..........wet though. It might not happen.
    A: Don't say that! I've already got a ticket!
    The tickets...........(sell) online.
    B: Were they? I'm...........terrible with computers!
    I never buy anything online.
    A: It's not............a difficult thing to do! Come on! I'll help you