【题目】—Are these ducks? ( )
—_______
A.Yes, these are. B.No, these aren't. C.No, they aren't.
【答案】C
【解析】
略
【题目】—Are these ducks? ( )
—_______
A.Yes, these are. B.No, these aren't. C.No, they aren't.
【答案】C
【解析】
略
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