题目内容：

- ___ to Beijing ? -Yes, and I will be back next week. A. Are you going B. Have you gone
.Why?

优质解答

Are you going to Beijing?Yes,and i will be back next week.第二个选项,如果改为,Have you been to beijing?(可以加时间状语）,这个时态是现在完成时,已经发生过的事情但是要对现在有影响；和一般过去时的区别就是...