Unit3 We’ve had a long morning.
lesson2
He has gone to Shanghai.他(已经)去上海了。
He has been to Shanghai.他(曾经) 去过上海。
比较 have/has  been to     have/has  gone to
Where have you been on National Day?
I’ve been to...
I’ve been to
I’ve gone to
vs
去了已经回来
去了还没回来