小学英语题目，句型转换好的进来

1.Whose mother is this ?
2.Which boy is Ben ?
3.What colour is his hair ?
4.Who is that girl ?

1.This is Beth‘s mother . Beth's画线
Whose mother is this?

2.That boy over there is Ben . over there画线

3.His hair is black. black画线
What colour is his hair?

4.That girl is Beth. Beth画线
Who is that girl？

一whose mother is this 二which boy is ben 三what's the color of his hair 四 who's that girl