2. 外语
  3. I felt somewhat disappointed and was about to leave, ______ something occurred which attracted my attention.

I felt somewhat disappointed and was about to leave, ______ something occurred which attracted my attention.

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问题 I felt somewhat disappointed and was about to leave, ______ something occurred which attracted my attention.
选项 A、unless
B、when
C、until
D、while
答案B
解析 when引导时间状语从句。  
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本试题收录于： B类竞赛（英语专业本科专科）题库大学生英语竞赛（NECCS）分类
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B类竞赛（英语专业本科专科）

大学生英语竞赛（NECCS）

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