VI. Choose the correct item.

1. Our house can't be haunted; we've lived here for years and we've never seen anything unusual going on. 2. The style of that painting must be Cubism, because the artist has used squares and rectangles. 3. It can't be a coincidence, but isn't it strange that I was thinking about John at the exact moment he called me? 4. Susan may be at the photographic exhibition, but I'm not sure. 5. The magician's assistant hasn't truly disappeared; our eyes must be playing tricks on us. 6. You can't have seen a ghost. They're not real!