Results for what else could it be? translation from English to Chinese (Simplified)

so, what else could it be?
那么， 这到底是哪个字母呢？

could it be
难道

could it be that?
难道？

could it be that
难道说

could it be that...
莫非…

could it be improved?
是否有值得改善之处？

could it be herself
会不会就是她自己

what else could it possibly be if it wasn't the pills?
不然还能怎样呢？

could it be, could it be
难道、难道

but what else could i offer her?
但我又能为她做些什么？

so, we said, what else could we do?
于是我们问她，还有什么我们能做的吗

could it be that it's someone else
难道是另有其人

what else could be done to enhance the development potential of iias?
如何进一步加强国际投资协定的促进发展潜力？

he asked what else could be done to address the issue of persistent perpetrators.
他询问还可以开展哪些工作来解决惯犯问题。

what else could be considered in order to increase the investment promotion function of iias? references
为了增加国际投资协定的投资促进作用有什么其他事项可以考虑？