—Do you know _the Smiths left Shanghai?
题型:选择题
问题:
—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
—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