问题描述：
句型转换好的进来
1.This is Beth‘s mother .Beth's画线
2.That boy over there is Ben .over there画线
3.His hair is black.black画线
4.That girl is Beth.Beth画线
1.This is Beth‘s mother .Beth's画线
2.That boy over there is Ben .over there画线
3.His hair is black.black画线
4.That girl is Beth.Beth画线
问题解答：
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