Complete the sentences with going to and the verbs in brackets

Here are the completed sentences using "going to" and the verbs in brackets:

1. I think the price of petrol **is going to** (not go up) in the next five years.
2. In the future, people **are going to** (do) most of their shopping on the Internet.
3. I hope there **are going to be** (have) any more natural disasters in the future.
4. Do you think people **are going to** (travel) to other planets in the next ten years?

If you need further assistance or additional sentences, feel free to ask!