问题
选择题
The accident happened ______ a cold winter morning.[ ]
A. in
B. on
C. at
D. of
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The accident happened ______ a cold winter morning.[ ]
A. in
B. on
C. at
D. of
答案：B