Supply the correct form of the words in the brackets

GIẢI THÍCH RÕ RÀNG
II. Supply the correct form of the words in the brackets:
11. Only _________________ pilots are allowed to fly large passenger planes. (experience)
12. The play we saw last night at the theater was _________________ bad. (embarrass)
13. He suffered loss of _________________ for weeks after the accident. (memorize)
14. These people remain under the _________________ of the United Nations. (protect)
15. New scientific _________________ are being made all the time. (discover)
16. The holiday provided many _________________ moments. (memory)
17. I found the whole evening intensely _________________. (embarrass)
18. I was _________________ about talking to my parents about it. (embarrass)
19. All the countries should act to stop the _________________ of rainforests. (destroy)
20. A child of his age is too young and _________________ to recognize danger.
(experience)