（届山东省桓台第二中学高三4月检测考试英语试卷）
We need some more facts and figures ______ we make the final decision.
| A．since | B．before | C．after | D．until |
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（届山东省桓台第二中学高三4月检测考试英语试卷）
We need some more facts and figures ______ we make the final decision.
| A．since | B．before | C．after | D．until |
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