问题
选择题
_____ the terrible scene of the traffic accident, the little boy burst out crying. [ ]
A. At seeing
B. On seeing
C. To see
D. Seen
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_____ the terrible scene of the traffic accident, the little boy burst out crying. [ ]
A. At seeing
B. On seeing
C. To see
D. Seen
答案：B