The book has been translated into thirty languages since it ______ on the market
题型：不详难度：来源：
The book has been translated into thirty languages since it ______ on the market in 1973.| A．had come | B．has come | C．came | D．comes |
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答案
| C |
解析
试题分析：考查时态：since后面的时态是过去时，主句是现在完成时，句意：自从1973年上市，这本书已经被翻译成30种语言。选C。
点评：时态的考查结合上下文找到动作发生的时间就好做了。要注意一些固定用法。 |
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