"We last got a letter from them in June."

Translation: Naposledy jsme od nich dostali dopis v červnu.

[True_eugene]

I am pretty sure that in Czech like in many other Slavic languages the word order is flexible. But in this course it is so rigid that is easier to copy-paste the right answer. D'oh!

[endless_sleeper]

Thanks for the feedback! Flexible is not the same as 'no rules'. ;)

[SonjaTodor3]

"Poslední dopis od nich jsme dostali v červnu"

It isn't possible this way ?

[VladaFu]

That would be a different sentence: "We got the last letter from them in June.".

[Evan836987]

In my opinion, this translation is better English.

[VladaFu]

That is a different sentence.

the last letter - poslední dopis

we last got it - naposledy jsme to dostali