IV. Choose the word which best fits each gap.

Hobbies are activities for entertainment. Hobby can cost you almost nothing. Music is the most popular. For example, many people play the guitar for (13)_________ in their free time. Sports provide other (14)_________ hobbies. Cycling, running, tennis, table-tennis are the sports that millions of people play during their free time.

Some people's coin collections are wonderful. There are still hundreds of (15)__________collections, such as bottle collections, seashell collections, butterfly collections, and so on. For some people, a hobby is a favourite (16)__________, like chess. In chess, we need two or more people (17)___________.