题目内容
The old man keeps ______ honest dog and _____ dog can do a lot of things for him.
A. an;a B. the;a C. an; the D. a; the
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题目内容
The old man keeps ______ honest dog and _____ dog can do a lot of things for him.
A. an;a B. the;a C. an; the D. a; the