________doesn'tseemtohavebeena

发布时间：2020-07-27 18:57:48

________ doesn't seem to have been any trouble in solving this problem.A.ItB.ThereC.ThatD.He

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B解析解题思路：我们可以把“________ doesn't seem to have been ”简化为“There doesn't seem to be”的结构，从而推出B为正确
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