Choose the alternative with possible antonyms of the...

Read the text and answer questions 35 and 36.

“My year abroad in the United States was a truly awesome experience. I’m not a shy person, and I was very comfortable speaking to everyone, so I got lots of speaking practice. (...) When I got home, my close friends couldn’t believe how much I had improved!” Mariko Okada – Tokyo (Neil J. Anderson)

Active Skills for Reading, 2nd Edition, Student Book 1