问题
选择题
—A new baby came to the earth ______ a sunny winter morning.
—How nice. [ ]
A. in
B. on
C. of
D. at
答案
答案：B
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—A new baby came to the earth ______ a sunny winter morning.
—How nice. [ ]
A. in
B. on
C. of
D. at
答案：B