问题
选择题
his father had come, his face lit up.
A．Having heard
B．When he heard
C．Hearing
D．When hearing
答案
答案：B
搜题请搜索小程序“爱下问搜题”
his father had come, his face lit up.
A．Having heard
B．When he heard
C．Hearing
D．When hearing
答案：B