To their surprise, the boy’s wound was left .
A. to expose
B. exposed
C. exposing
D. to be exposed
网友回答
A. to expose
(答案→)B. exposed
C. exposing
D. to be exposed
解析:
试题分析; 考查过去分词做宾语补足语:词组leave +宾语+过去分词“使…被…”,因为the boy’s wound和expose是被动关系,所以用过去分词,句意是:使他们惊讶的是,男孩的伤口被一直暴露着。选B。