We are expecting that the days will come soon______we will be able to breathe clean air again.

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问题 We are expecting that the days will come soon______we will be able to breathe clean air again.

选项 A、as
B、when
C、while
D、since

答案B

解析 分析句子结构可知,soon后是定语从句,先行词是days,从句中缺少时间状语,所以应用关系副词when引导从句,并在从句中作时间状语。故选B。
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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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