Alltheafternoonheworkedinhisstudywit
单项选择题 All the afternoon he worked in his study with the door __________.
A.to lock
B.locking
C.locked
D.lock
正确答案:C
答案解析:考查with的复合结构。“门”和“关”是被动关系,应用过去分词。“with+名词+分词”是独立主格结构。如果名词和分词是主动关系,应用现在分词;反之,用过去分词。
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