问题
选择题
_________ many times, he finally understood it.
A．Told
B．Telling
C．Having told
D．Having been told
答案
答案：D
搜题请搜索小程序“爱下问搜题”
_________ many times, he finally understood it.
A．Told
B．Telling
C．Having told
D．Having been told
答案：D