题目内容
【题目】We'd better set off or it will be dark __________ we know it.
A. before B. after
C. when D. until
【答案】A
【解析】句意:我们最好早点动身,否则,天不知不觉就黑了。before还没来得及……就。
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题目内容
【题目】We'd better set off or it will be dark __________ we know it.
A. before B. after
C. when D. until
【答案】A
【解析】句意:我们最好早点动身,否则,天不知不觉就黑了。before还没来得及……就。