Fill in: is or are

11. Her advice _____ very interesting.

12. Mathematics_____ his favourite subject.

13. Measles_____ a common illness.

14. The glasses_____ on the table.

15. My sister’s hair_____ long.

16. Their bathroom scales_____ quite accurate.

17. Darts _____ a popular game in Britain.

18. This work_____ too hard.

19. People_____ unhappy with the new tax system.

20. The police_____ near.

11. Her advice is  very interesting. 12. Mathematics is his favourite subject. 13. Measles is  a common illness. 14. The glasses are on the table. 15. My sister’s hair is  long. 16. Their bathroom scales are quite accurate. 17. Darts is a popular game in Britain. 18. This work is  too hard. 19. People are unhappy with the new tax system. 20. The police are near.