Choose the correct option

We are going to the art gallery to see the works of a famous artist. — Oh, really? I (join/am joining/will join) you.

1. Announcement: The new cinema [opens|is going to open|will open] on 1 May.
2. Why are you wearing the swimsuit? — I [sunbathe|am going to sunbathe|will sunbathe].
3. Can you see the grey sky? It [snows|is going to snow|will snow] soon.
4. Hurry up. The bus [leaves|is leaving|will leave] in ten minutes.
5. Tom's taking driving lessons because he [buys|is going to buy|will buy] a car.
6. We don't know what to do. Perhaps we [stay|are going to stay|will stay] at home.