We're going to visit the Great Wall last week.错在哪里
问题描述：
We're going to visit the Great Wall last week.错在哪里
答
你的时态前后矛盾啊be going to 是将来时 而后面的时间状语却是last weeklast week是过去时的时间状语
这句话可以改成将来时态的：We're going to visit the Great Wall next week.
或者用一般过去时来叙述：We visited the Great Wall last week.
希望可以帮到你