The roof fell ______ he had time to dash into the room to save his baby.

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问题 The roof fell ______ he had time to dash into the room to save his baby.

选项 A、since
B、as
C、before
D、until

答案C

解析 空格前后两个分句在时间上存在先后关系,因此选before。
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本试题收录于: 英语题库成考专升本分类
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