题目内容
【题目】—Are those your pen friends?
—Yes, .
A. they are B. they’re
C. they are not. D. they aren’t
【答案】A
【解析】句意:——那些是你的笔友吗?——是的,他们是。根据前后一致,故排除C/D;简略回答中they are不能用缩写形式;故选A
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