问题
选择题
--- Where is your mother?
--- She has ______ to Sichuan on business. She has ______ there four times recently.
A．gone, gone
B．been, been
C．gone, been
D．been, gone
答案
答案：C
has/have been to曾经去过某地，has/have gone to 去了某地，根据语境选C。