2. 职称英语
  3. You must keep this door (close) ______ at all times when the red light is on.clo

You must keep this door (close) ______ at all times when the red light is on.clo

游客2024-07-06  10
问题 You must keep this door (close) ______ at all times when the red light is on.
选项
答案 closed
解析 “keep+ n.+补足语”表示“使……处于某种状态。”这种状态由该结构中的补足语表达，这时．该补足语可以是形容词、副词。介词词组、动词的分词形式甚至名词等。在用动词的分词形式时，要考虑补足语与宾语之间的逻辑关系。题目中this door与 close是逻辑上的动宾关系，需用过去分词closed。
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