定语从句中的sincewhen
(2020-03-26 20:24:44)
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杂谈教育时尚文化育儿 |
分类: 高中教学资源 |
The book was written in 1946,since______the education system has witnessed great changes。(2007年山东)
A when B during which C since then D since when
答案为 D ,since when = and since then
when 是定于从句关系词,有连接功能,所以直接可以用since when。

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