No. 1 He is a famous architect, known ------- his great works especially in Brazil and Russia. (A) by (B) as (C) on (D) for No. 2 Mr. Kent had some regrets about ------- his job to start his own business. (A) quitting (B) quit (C) quits (D) to quit No. 3 Mr. Downy, a famous billionaire, ------- his secret of becoming rich in his recent book. (A) relaxed (B) prevailed (C) unveiled (D) released No. 4 The system was modified in order to ------- suspicious or malicious transactions 24 hours a day. (A) sort out (B) figure out (C) point out (D) look out No. 5 It's getting popular among university students to do volunteer ------- abroad over the summer break. (A) works (B) working (C) worker (D) work No. 6 There has been a ------- decline in share prices this year because of wars and conflicts all over the world. (A) short (B) sharp (C) shiny (D) shy No. 7 Lower House failed to pass the trade -------, which disappointed the meat-packing industry. (A) point (B) pose (C) pack (D) pact No. 8 While people tend to become more ------- when they get older, this 80-year-old woman started travelling the world by herself. (A) conservation (B) conserve (C) conservative (D) conservatives No. 9 Mr. Higgins is very popular among the hotel staff because he often gives a ------- large tip. (A) commercially (B) partially (C) considerably (D) possibly No. 10 Professor Hanna Park was by ------- until the arrival of Dr. Eric Snow at 9:30 a.m. (A) she (B) her (C) herself (D) hers