题目内容
?Hi! Where are you going See what the sign says!
?Oh, sorry, I ________ it.
A. don't notice
B. haven't noticed
C. didn't notice
D. hadn't noticed
答案:C
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题目内容
?Hi! Where are you going See what the sign says!
?Oh, sorry, I ________ it.
A. don't notice
B. haven't noticed
C. didn't notice
D. hadn't noticed