1. water polo   gan lan qiu   gan lan qiu ，zu qiu   shui qiu   bang qiu   Hint Half-n-half Clue   2. horse-riding   yu mao qiu   bo [dou;dou]   hua bing   ma qi ma   Half-n-half Clue   3. ping-pong, table tennis   ma qi ma   gan lan qiu   lan qiu   ping pang qiu ，ping pang qiu   Half-n-half Clue   4. rugby   gan lan qiu ，zu qiu   [qu;qu] gun qiu   gan lan qiu   gao er [fu;fu] qiu   Half-n-half Clue   5. tennis   wang qiu   lan qiu   jing ji   [ti;ti] cao   Half-n-half Clue   6. golf   gao er [fu;fu] qiu   ma qi ma   shui qiu   gan lan qiu   Half-n-half Clue   7. athletics   yu mao qiu   jing ji   ju [chong;zhong]   gan lan qiu   Half-n-half Clue