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、until
C、when
D、while

答案C

解析 本题考查固定搭配。when表示某事正要或正在进行时,另一事突然发生,相当于just at that time,常译为“这时,刚……就”,一般放在主句之后,与前面的be about to构成固定搭配。while相当于during the timethat,表示主旬的动作是在从句动作的期间发生。
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本试题收录于: 英语题库普高专升本分类
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