Thefourbadmintonplayerswerechargedfortheirattemptstolo...

問題詳情：

 The four badminton players were charged for their attempts to lose 　　　 in the 2012 London Olympic Games. 

A. on average　　　B. on purpose    C. on duty      D. on schedule

【回答】

B

知識點：詞組 短語

題型：未分類