1. Nga is one of my ________ (friendly). She always talks to everyone in a _______ (friend) way.

2. There are ______ arguments against the building of a new stadium in the city center. (count)

3. I have to do my ______ before watching television. (work)

4. There was an ______ of paintings at the Art Gallery. (exhibit)

5. They made all the _______ for the party. (arrange)

6. The _____ of any plan depends largely on its manager. (succeed)

7. Thanks for the ______ to your birthday party. (invite)

8. The world changed rapidly after the _______ of the telephone. (invent)

9. They get two ______ of mail a day. (deliver)

10. He told this fairy story to his daughter ______ (count) times.

11. This old man is _____ in one ear. (deafen)

12. Children usually develop ______ in the second year of life. (speak)

13. He was ______ in demonstrating his invention. (success)

14. Your order is ready for _______. (deliver)

15. Michael Faraday made a lot of ______ in the field of electricity. (invent)

16. She went ______ to answer the phone in the living room. (stairs)

17. Do you have any _____ about train times? (inform)

18. There was still no _____ on what to do next. (agree)

19. Alexander Graham Bell _______ (success) demonstrated his _____ (invent) in the public.

20. Ho Chi Minh City is an important ______ center. (commerce)