A. Go ahead B. Cheers C. Congratulations D. Come on 解析: 情景对话题。当表达祝贺的时候应该用C。A,表示开始或者前行;B表示感谢或者再见;D表示鼓励。 12. It’s quite hot today. Do you feel like ___ for a swim? A. to go B. going C. go D. having gone 解析...