Unfortunately, the roof fell he had time to dash into the room to save his baby． [ ] A．after B．as C．before D．until 题目和参考答案——青夏教育精英家教网—

题目内容

Unfortunately, the roof fell ________ he had time to dash into the room to save his baby．

[　　]

A．after

B．as

C．before

D．until

答案：C

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