The boy in the red car is TOM
问题描述:
The boy in the red car is TOM
对画线部分提问
画线部分是in the red car
是不是Which boy is Tom?
答
是的
in the red car 是介词短语做定语修饰the boy
所以应用Which boy is Tom来提问
(Who is Tom提问也可以)