问题
选择题
There used to be a bus stop at the corner of the street, ___?
A．usedn’t there
B．usedn’t it
C．wasn’t there
D．wasn’t it
答案
答案：A
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There used to be a bus stop at the corner of the street, ___?
A．usedn’t there
B．usedn’t it
C．wasn’t there
D．wasn’t it
答案：A