A. utter B. slip C. acute D. insoluble A. exchange B. soccer C. meet D. in disguise A. cling B. National Day C. relaxation D. shopping mall A. protect B. workmate C. cruelty D. habitat A. presumptuous B. thank you C. at first D. haunted A. foreigner B. No eating or drinking C. likelihood D. hydro-electric A. lunar B. at the start of C. What day is today D. draft A. leg B. convenience C. yesterday D. clarify A. times B. electricity C. dig out D. smoke A. his B. grateful C. Tian'anmen Square D. catchy