They are going to travel out of shanghai next month.(保持句意不变）
问题描述：
They are going to travel out of shanghai next month.(保持句意不变）
they _____ _____ travel out of shanghai next month
对 before 12:30 p.m 怎么提问？
答
plan to
对 before 12:30 p.m 提问用 when 就可以