问题
选择题
— When did you lose your passport, sir?
— It was yesterday evening ______ I was walking down the street.[ ]
A. when
B. that
C. which
D. on which
答案
答案：A
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— When did you lose your passport, sir?
— It was yesterday evening ______ I was walking down the street.[ ]
A. when
B. that
C. which
D. on which
答案：A