选择题：Until then, his family __________ from him for six months.

题目分类：英语学科知识与教学能力
题目类型：选择题
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题目内容：

Until then, his family __________ from him for six months.

A.didn't hear B.hasn't been hearing C.hasn' t heard D.hadn' t heard

参考答案：

答案解析：

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