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they started to talk, they forgot about the time.A.In caseB.OnceC.BeforeD.Althou

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they started to talk, they forgot about the time.A.In caseB.OnceC.BeforeD.Althou

_______ they started to talk, they forgot about the time.

A.In case

B.Once

C.Before

D.Although

试题答案

B

句子意思是“一旦人们开始谈话,他们就忘了时间”。