A. confirm B. high C. deliver D. prevent from A. in excellent condition B. heavy C. hang D. wink A. swing B. quake C. clap D. wonder A. adding machine B. left-handed C. third D. eve of the Spring Festival A. snap one's fingers B. us C. floor D. centimetre A. swift B. keep it secret C. enthusiast D. first A. aloud B. user-friendly C. spoke D. student A. get-together B. queen C. push D. dialogue A. workstation B. no longer C. computer D. elder A. mattress B. playing C. great D. queue