Where your pen pals ?A. are, fromB. do, fromC. do, comeD. is , from

网友回答

A. are, from
B. do, from
C. do, e
(答案→)D. is , from
解析：短语辨析。句意：你的笔友来自哪里？e from，来自，be from意思来自哪里，固定句型结构，主语你的笔友是单数第三人称，故be动词用单数。结合语境可知选D。