Put in am, is or are. 1. The text … rather interesting

Put in am, is or are. 1. The text … rather interesting. 2. I … not busy on Friday. 3. The films … worth seeing. 4. It … not cold today. 5. My friends and I … fond of playing tennis. 6. This … our library. 7. Your advice … always helpful. 8. Ann … at home but her parents … at work. 9. The news … striking. 10. The child … naughty. 11. Human relations … never static. They change from day to day because they … highly complex and also because people … very changeable. 12. The police … here and they are doing their best. 13. Clothes … part of our image. 14. The furniture in the office … the latest design. 15. The homework … rather difficult. 16. The headphones of my walkman … powerful. 17. Your advice … very timely. 18. Dice … used in many board games. 19. The surroundings … unfamiliar to me. 20. Her luggage … on the scales. 21. The wages … much higher now.