(1)return to +名词=go/come back to+名词 意思“回到某个地方”

She's returning to Australia tomorrow after six months in Europe. 

她在欧洲逗留了六个月，明天要返回澳大利亚了

(2)return from+名词=come/go back+名词

I returned from work to find the house empty. 

=I came back from work to find the house empty

我下班回来，发现屋里空无一人。 

When did she return from the trip? 

她是什么时候旅行回来的

(3)return sth to +名词/代词=bring/give/send sth back to+名词 意思“把某物退还给某人/把某物归还给某人”

We had to return the hairdryer to the store because it was faulty. 

我们不得不将吹风机退回商店，因为它有残损。 

I must return some books to the library. 

=I must send some books back to the library

我得把一些书还给图书馆。 

Don't forget to return my pen to me! 

别忘了把钢笔还给我