A. thinking B. a chess set C. climbing D. in return A. home town B. playing C. Double Ninth Festival D. good night A. Mexican B. sleeping C. polar bear D. response A. believe B. theirs C. opera D. talent A. invariably B. insistent C. his D. dance A. ox B. excited C. top D. hall A. throw B. in general C. drinking D. sterilize A. year B. AIDS C. each other D. glimpse A. come true B. supreme C. millimeter D. each A. superstructure B. model C. like D. disagree