Fill in each blank with one suitable word 
1. We ____ playing table-tennis very interesting because we can meet and make friends with interesting people 
2. my hoppy is collecting -________ because i love reading whenever i have time 
3. why don't you _______ jogging because it can help you keep fit ? 
4. i really enjoy going round the shops in my town to _______ for rare and old teacups 
5. my parents have just bought a new _______ of roller skates
6. it is very _______ to collect motorcycle because it costs you a lot of money to buy them and get them repaired