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单选题
The big fire lasted as long as 24 hours ______ it was brought under control.
A
after
B
before
C
since
D
while
参考答案
参考解析
解析：
句意：大火在得到控制之前，已经烧了24个小时。本题考查连词用法。before在……之前。结合句意可知，B项正确。after在……之后。since自从。while当……时候。
句意：大火在得到控制之前，已经烧了24个小时。本题考查连词用法。before在……之前。结合句意可知，B项正确。after在……之后。since自从。while当……时候。
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