would 和 will be doing
问题描述：
would 和 will be doing
would 和will be doing John told us that he had been to the Dunhuang Caves twice and that he _______ to Tibet for his holidays next month.
为什么用would travel 不用will be traveling
答
首先would与told时态一致
will be doing 将来一直做,解释不通啊...