___________the employees finished the work on time, the manager was still unsatisfied.

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问题 ___________the employees finished the work on time, the manager was still unsatisfied.

选项 A、When
B、Before
C、Since
D、While

答案D

解析 分析句子结构可知,空处引导让步状语从句,所以应用while(然而)引导。when当……时,引导时间状语从句;before在……之前,引导时间状语从句;since自从,由于引导时间和原因状语从句。故选D。
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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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