If by any chance someone es to see me , ask them to leave a .
A. letter
B. notice
C. message
D. sentence
网友回答
A. letter
B. notice
(答案→)C. message
D. sentence
解析：考查名词：A. letter信，B. notice 通知，C. message信息，D. sentence句子，leave a message留个口信，句意：如果碰巧有人来看我，请他们留个口信。选C。