Choose the correct option.

1. One day, robots in our homes will ... . 2. Today, we have robots that are able to ... only. 3. Scientists have not ... of how to make a robot think. 4. Language may be another ... . 5. It would be great to have a robot to ... . 6. Scientists don't have the knowledge to give a robot intelligence or the ... . 7. The truth is that for such a robot to exist it must be able to think and scientists simply don't know how to give robots this ... . 8. Robots have to be able to understand figurative speech such as idioms, as well as gestures and ... .