问题
选择题
We leave for Beijing _____ February first _____ the morning. [ ]
A. on, on
B. in, in
C. in, at
D. on, in
答案
答案：D
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We leave for Beijing _____ February first _____ the morning. [ ]
A. on, on
B. in, in
C. in, at
D. on, in
答案：D