Помогите решить
Complete the sentences with will or to be going to
1. Do you think that traverlling in space_____be cheaper in 50 years' time?
2. I think that people ______ live on Mars the furure?
3.My ______ parents visit their friends in the USA.They ' ve bought the tickets.
4. Dasha _______ visit London next month
5. I think life_____ be different next decade