【S1】【S2】

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问题【S1】
【S2】

选项

答案hadn’t→haven’t

解析根据本句句意：为什么这么长时间不给我写信?表达一个到现在为止一直未做的事情，用现在完成时，故应将hadn’t改为haven’t。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

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【S1】【S2】

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