Choose the correct alternatives to complete the sentences.

1. Be careful! That chair is going to / will fall over.
2. It's your birthday today Mum, so I am going to / will cook dinner!
3. I hope I am going to / will see you tomorrow. Have a good evening.
4. I'm going to / 'll help you with those bags. They look very heavy.
5. I don't think we are going to / will ever stop global warming.