what colour are they 可以变成what are they colour吗
问题描述：
what colour are they 可以变成what are they colour吗
答
不行，你可以说： What is their colour
答
What are their colour可以。你那个不得行。
答
不可以
答
不能
答
what colour连在一起,表示“什么颜色”,改为后一种说法就没有意义了.
这类型的例子还有：
Which shirt do you like