I firmly believe that space travel will become a reality in the near future. With rapid advancements in aerospace technology, companies like SpaceX are already making reusable rockets, which significantly reduces costs. In the coming decades, space tourism could become as common as international flights today. Moreover, as Earth faces resource depletion, exploring other planets like Mars will be essential for human survival. Although there are still many challenges regarding safety and high expenses, the passion for discovery will eventually make space travel accessible to everyone.

1. Marcus wanted to know how many people would come the day after.

2. People will communicate with each other using telepathy in 50 years' time  

1. -> Janet told him (that) he could leave his bags there for a few minutes.

2. -> My dad asked me where I was going with my friends the following week.

3. -> It took my brother an hour to fix my broken webcam.