题目内容
1.用关系代词或关系副词合并下列句子
6. Her son hasn’t called her for some time. It makes her worried.
6. Her son hasn't called her for some time,which makes her worried.

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题目内容
1.用关系代词或关系副词合并下列句子
6. Her son hasn’t called her for some time. It makes her worried.
6. Her son hasn't called her for some time,which makes her worried.