Read the following passage and choose the best answer for each blank.
AUDIOBOOKS - BOOKS ON CASSETTE
In the modern world, there is a wealth of leisure activities to choose from. Entertainment industries (41)________for your leisure time. You can watch TV, listen to music, go to an art gallery or concert or, of course, read a book. Sometimes it seems that reading is (42)________because, even if you're a fast reader, it can take a (43)________amount of time to finish a novel, for example. But in the (44)________world, time is something that can be in short supply. Book publishers haven't been (45)________to realise this and are now selling a product which needn't (46)________as much of your time but still tells you an excellent story. The new product is the audiobook -cassette recordings of shortened novels, often read by well-known personalities or the authors themselves. Audiobooks are (47)________new but people are becoming more aware of them and sales are increasing all the time. One of the attractions of audiobooks is that they're (48)________listening to the radio. You can listen to what you want when you want, and you won't ever (49)________anything. Much of their appeal lies in their flexibility. They (50)________you to do other things while you're listening, such as driving or doing the housework. For some people, audiobooks can be a much more enjoyable way of gaining knowledge than reading.