问题有一个小小的错误哟.
这个句子是一般将来时,怎么会用过去式呢?
把left 改为will leave.
那么答案为When will they leave Beijing?好吧。我再向你问一个题，是翻译哦！你一到三亚，你就会爱上这座城市的。You'll fall in love with Sanya____ ___ ____you get to the city答案为You will fall in love with Sanya as soon as you get to the city.