题目内容
【题目】The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time _______ everything returns to normal.
A. sinceB. after
C. unlessD. before
【答案】D
【解析】
考查固定结构。It+be +some time+before….要过一段时间才。。。。句意:政府已经采取措施重建地震灾区,但是必须要过一段时间一切才能恢复正常。选D。
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