Use the expressions you learned and write sentences about th...

Use the expressions you learned and write sentences about the facts below according to their probability. Express your own opinion. The example will help you.

Do you think we'll send a manned mission to Mars before 2020? (I find it very unlikely. If we invested more time and money in space exploration, it would be easier.)

1. Do you think there's life after death?
2. Do you think it's possible to invent a time machine?
3. Is it possible to travel to other planets in the solar system?
4. Do you think there's life in other planets?