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SincetheearthquakeinJapan后接一个复杂句,怎么造谢谢

题目详情
Since the earthquake in Japan__________________________后接一个复杂句,怎么造谢谢
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答案和解析
since the earthquake in japan they are now able to predict when earthquakes and volcanic eruptions will occur.
==自从日本地震以来,他们现在可以预测地震何时发生和火山何时爆发.