The book was written in 1946, the education system has witnessed great changes.
A. since then
B. when
C. since when
D. during which
The book was written in 1946, the education system has witnessed great changes.A. since t
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解决时间 2021-01-20 19:14
- 提问者网友：ミ烙印ゝ
- 2021-01-20 10:21
最佳答案
- 五星知识达人网友：走死在岁月里
- 2021-01-11 20:19
A. since thenB. when(答案→)C. since whenD. during which解析：句意：那本书被写于1946年，自从那时以来教育体制见证了伟大的变化。因为逗号前后都是句子所以必须用连词，故排除A；这里是非限制性定语从句，先行词是1946，又根据谓语动词has witnessed可知，since与现在完成时连用，，故选C。
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- 1楼网友：青尢
- 2020-10-02 08:57
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