题目内容
--Where can we go into the trade center?
--Haven’t you seen the sign ________ over there?
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试题答案
1、D
相关题目
—Where can we go into the trade center?
—Haven't you seen the sign _____ over there?
—Haven't you seen the sign _____ over there?
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A. 
B.
C.
D.
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B.
C.
D.