The book was written in 1946, the education system has witnessed great charges.
A. when
B. during which
C. since then
D. since when
The book was written in 1946, the education system has witnessed great charges. A. whenB.
答案:2 悬赏:20 手机版
解决时间 2021-04-08 17:51
- 提问者网友：孤凫
- 2021-04-08 11:20
最佳答案
- 五星知识达人网友：猎心人
- 2021-04-08 11:50
A. whenB. during which C. since then(答案→)D. since when解析：since when引导定语从句。因为句中的谓语has witnessed是现在完成时,所以要用since when。when指代上文中的in 1946,表示“这本书是1946年写的,从那以后,教育体制发生了巨大变化”。
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- 1楼网友：愁杀梦里人
- 2021-04-08 12:32
这下我知道了
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