Помогите пожалуйста, срочно

Choose the correct verb from.

1)Do you come/ are you coming to Bob's dinner party?
2) This plane lands/ is landing at 8:55.
3) It's very cold. It' is snowing/is going to snow later tonight.
4) Apologize to Ann, or I am telling/will tell her the truth.
5) Our orchestra is performing/performs in London this weekend.
6) What's the weather outside? Do you think it's going to rain/is raising?
7) I'm helping/I will help you with your homework when I finish mine.
8) Those shoes are really cheap. I think I'm buying/ I will buy them.