Weworktogethertoachieveourcommonpurpose：         worldt...

問題詳情：

We work together to achieve our common purpose：          world that is safer cleaner and healthier than         one we found．

A．the；the                            B．a；不填               C．a；the            D．the；不填

【回答】

C

知識點：冠詞

題型：選擇題