A. blank B. week C. dried food D. successful A. operation B. oriental C. sudden D. file A. quite a few B. inquire C. leakage D. currency A. try one's best B. talk quietly C. Olympic D. engineering A. stadium B. club C. hobby D. make one's way A. go through B. in advance C. disability D. exchange A. annoyance B. hypothesis C. continually D. dirty mark A. recur B. relative C. source D. a lot A. see off B. capital C. relaxed D. seafood A. visit B. government C. vicious D. dislike