我们能把小卧室改造成第二个浴室吗？

Could we ___convert the small bedroom into a second bathroom?

将磅转换为公斤的公式是什么？

What's the formula for ___converting pounds into kilos?

甚至一些中世纪城堡已被改造成博物馆。

Even some medieval castles have been ___converted into museums.