问题
选择题
We have to get to the bus station ________ 6 o’clock, or we’ll be late. [ ]
A. on
B. in
C. by
D. for
答案
答案：C
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We have to get to the bus station ________ 6 o’clock, or we’ll be late. [ ]
A. on
B. in
C. by
D. for
答案：C