题目内容
----Did you see dog just now?
----Is it black dog?
----Yes, it is.
----Oh, I just saw it passing the door.
A. the, a B. a ,a C. the, / D. an , the
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题目内容
----Did you see dog just now?
----Is it black dog?
----Yes, it is.
----Oh, I just saw it passing the door.
A. the, a B. a ,a C. the, / D. an , the