题目内容
―There must be a dozen pens in the room ,but I can never find one when I need them.
―Keep looking is sure to turn up.
A.one B.It C.That D.This
A
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题目内容
―There must be a dozen pens in the room ,but I can never find one when I need them.
―Keep looking is sure to turn up.
A.one B.It C.That D.This