题目内容

__________ there was danger ahead, the girl walked on.
A．Known notB．Not knownC．Knowing notD．Not knowing
D

试题分析：这题考查非谓语动词的否定：现在分词做状语，否定式是在现在分词前面加not，句意是：不知道前面有危险，女孩继续走。选D
点评：非谓语动词要放在具体的语境中弄清逻辑关系，确定主动被动，还有否定式的表达。
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