问题描述：
They are与These are 的不同
那 I have new pair of shoes.______black and white .要选哪个?
A.it is B.they are C.these are D.this is
为什么为什么
那 I have new pair of shoes.______black and white .要选哪个?
A.it is B.they are C.these are D.this is
为什么为什么
问题解答：
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