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
答案:A
解析:
解析:
|
根据句意“继续找吧,总有一支会出现的”,并不是特指哪一支, it, this, that都是特指,只有one是泛指,指one of the pens“其中一支”. |
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