What's the colour of this pen？Look，this is a dog，and it's black。如果要并成一句的话就可以用：look，this is a black dog。
这只钢笔是什么颜色的看，这是一只狗，这只小狗是黑色的What colour is this pen?Look,this is a dog, this little dog is black.
What's the colour of this pen？Look，this is a dog，and it's black
what colpur is thos pen?
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