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. that |
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. that |
A