用have been to ,have gone to 填空 My friend __to shanghai to have a _英语解答

用have been to ,have gone to 填空 My friend __to shanghai to have a meeting .He __there twice.
重点是第二个空,这种我不太弄得清楚.

人气：210 ℃　时间：2019-08-17 21:48:15

解答

（1）have gone to （2）have been to have gone to 是去了未回 have been to 是去了已回