什么时候到期
when it is───当它是
when is it───什么时候
when it───当它
when old is it───它什么时候老了
when it is on───当它打开时
when is───什么时候
when was it───什么时候
due───n.（Due）迪尤（人名）；n.应付款；应得之物；adv.正（置于方位词前）；adj.到期的；预期的；应付的；应得的；恰当的，适当的
when it comes───当它来的时候
Regularly when someone lacks time in their lives, it is due to poor organization skills, poor prioritization or the inability to say no.───通常当某些人发现在他们的生活中缺少时间时，大多源于低下的组织能力、混乱的优先级顺序或者难以对他人说不。
Typically it is the loss of someone to whom we are very attached; when the loss is due to death we call it grief.───典型案例为当我们失去了某位挚爱之人。如果这种失去是死亡所致，那我们称之为悲伤。
Afghanistan may, or may not, recede in importance after 2014, when America is due to cut the number of soldiers it has in the region.───由于美国在该地区削减士兵人数，阿富汗问题的重要性在2014年后可能会，也可能不会变得模糊。
that's true dedication. I'm impressed. When is it due?───真的很敬业，这让我很感动.什么时候交稿？
When is it due to arrive?───它该什么时候到？
When is it due back?───什么时候归还？