I. Supply the correct form of the words in brackets.

       1. Australian__________ have developed a technology that could make all plastic recyclable.

(science)

       2. Astronomers have discovered a__________ system containing at least five planets.

(planet)

       3. Japanese people are very__________. They are fond of creating things. (invent)

       4. Are AirPods the best__________ earbuds? (wire)

 5. Because of its extremely cold temperatures, Titan is completely__________ for terrestrial life. (suit)

       6. I really doubt anyone could live on Mars cause of__________ living conditions

there. (appropriate)

       7. Facial__________ are a very important part of communication. (express)

       8. It’s quite clear that the electric car is__________ possible. (technique)

       9. The idea of people with__________ powers frightens me a little. (telepathy)

       10. The new cars will be energy efficient and__________ friendly. (environment)