热恋中的你应该学这些口语

看到一对幸福的伴侣,你心里一定会想到"天生一对"这样的词吧,那这样的表达用英语该怎么说呢:

They were made for each other.
Aren't they the perfect couple?
They are a match made in heaven.
I think they are good together.