Use the correct forms of the given words to complete the text

With the [ ] of modern technologies more and more people start using electronic books and audiobooks instead of paper ones. So, which option is better? Let's try to analyse.

Paper books are good for those who like to turn the pages over, feel the smell of paper of a book that's just been bought or keep [ ] books around to read them again and again. Still, it's not very [ ] to read them when you are in public transport or in a crowded place. Also, they can be heavy to carry and usually rather expensive.

Electronic books are very popular nowadays. You can read them on your smartphone, tablet or laptop. Just download an e-book [ ] and enjoy reading. E-books are usually cheaper than paper ones. And there are even some official websites where you can download books for free.

Audiobooks are ideal for the blind and people with bad eyesight, who do not have the possibility to read. However, not only these categories of people are fond of such books. Many other people prefer audiobooks because they are very [ ]. You can listen to them anywhere: at home, in the car or public transport on the way to work, at work during the break, while riding a bike or doing sport, when trying to fall [ ], etc.

So, which kind of book do you prefer?