A. pet B. outside C. bomb D. open A. shelf B. fountain C. walk off D. buoy A. ultimate B. met C. illiterate D. gather A. visiting B. heady C. appear D. threatening A. solve B. Double Ninth Festival C. watertight D. district A. reference B. ring C. female D. caprice A. stadium B. pow-wow C. runny D. later on A. flat B. lover C. flu D. parents A. observation B. fear C. fellow D. not until A. civilized B. anonymous C. muster D. present