Future tenses

What time does it start / is it starting?

Do you come / Are you coming to Abi's birthday tomorrow?

We might / will eat artificial fish or meat. (a future prediction we are not sure about)

Friday's class starts/ is starting at nine o'clock.

Do you / Are you going to watch the final tonight?

Experts say that meat will be / might be far more expensive. (a prediction we are sure about)