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Several days passed before those well-known experts______(想出解决问题的办法).
Several days passed before those well-known experts______(想出解决问题的办法).
admin
2012-08-10
49
问题
Several days passed before those well-known experts______(想出解决问题的办法).
选项
答案
came up with solutions
解析
come up with意为“得出……,想出……”,solution“解决办法”。因为主句的时态是过去时,根据时态一致的原则,从句的时态也 应为过去时。
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0
大学英语四级
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