---How long has the United Nations ?
--- 1945.
A. come into existence; In
B. been in existence; Since
C. been in existence; From
D. come into existence; For
---How long has the United Nations ?- 1945.A. come into existence; InB. been in existen
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解决时间 2021-04-03 22:36
- 提问者网友：沉默菋噵
- 2021-04-03 14:22
最佳答案
- 五星知识达人网友：往事隔山水
- 2021-04-03 15:53
A. come into existence; In(答案→)B. been in existence; SinceC. been in existence; FromD. come into existence; For解析：这题考查动词的用法：因为和how long连用，要表示状态的动词be in existence，come into existence是短暂动词，不能和表示一段时间连用，第二空填since，可以和现在完成时连用。选B。
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- 1楼网友：躲不过心动
- 2021-04-03 16:52
这个答案应该是对的
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