问题
选择题
—Do you know ____ the Smiths left Shanghai?
—I'm not sure. I only remember it was a Sunday. [ ]
A. if
B. when
C. how
D. why
答案
答案：B
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—Do you know ____ the Smiths left Shanghai?
—I'm not sure. I only remember it was a Sunday. [ ]
A. if
B. when
C. how
D. why
答案：B