Ⅳ. Complete the passage.（阅读下面短文，在空白处填入一个适当的单词或填入括号内单词的正确形式。）
Hobbies are activities, which we do in our free time. Some hobbies are 1. (real) expensive, and some are dangerous. Here are the most popular ones.
Collecting hobbies. We can collect lots of things. Usually people collect stamps, postcards or 2. (coin). Some people collect unusual things like old cars, old motorbikes or other 3. (interest) things, which could be very expensive.
Art hobbies: going to the theatre and concerts, playing an instrument, 4. (paint), writing poetry. There are many clubs, such as singing, dancing and so on.
Sports games. Everybody should do some sports activities because sport can keep 5. (we) fit. Many students are members of 6. sports club such as basketball club or swimming club.
Other popular hobbies are watching TV or videos and playing computer or video games, but they are not so good 7. your eyes and your mind. Many people here like to spend their free time reading books, magazines and newspapers. Some people enjoy 8. (listen) to music. Going out can be very expensive now.
Many students would like 9. (make) use of their hobbies in their future jobs, such as working with computers, 10. it is not so easy. Hobbies are very important for us. A man would be poor and unhappy without a hobby.

1. really 2. coins 3. interesting 4. painting 5. us 6. a 7. for 8. listening 9. to make 10. but