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  • 科目:英语
  • 题型:单选题
  • 难度:容易
  • 人气:837

---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
 
 
 
 
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Theremustbeadozenpensinthishou