题文
-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 |
推荐试卷
-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 |
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