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