A. accidentally B. knock C. test D. Tian'anmen Square A. self-improvement B. obstinately C. prepare D. rain A. happy birthday B. weekly C. divide D. open A. price B. underdog C. suffice D. god A. decade B. ride C. get-together D. show up A. settle down B. stocking C. collect D. author A. lawn B. go by C. juvenile D. start A. merry B. publishing C. primary D. breathless A. sob B. decorate C. sleeper D. hand out A. burn B. eyebrow C. planetary D. ferment