问题
选择题
______ some of the questions ______,the man said good-bye to us.
A．Leave;unanswered
B．Leaving;unanswered
C．Left;to be answered
D．Leaving;unanswering
答案
答案：B
根据句子结构，第一个空应该使用现在分词作状语。再根据宾语the questions和宾补unanswered的逻辑关系判断，宾补应该使用过去分词形式表示被动。