"He is wearing a penguin costume."

Translation: Il porte un costume de pingouin.

[Bouchka1]

it's naughty to make fun of

[n6zs]

It sounds like a statement of fact. Did you insert a snarky interpretation into it?

[Lizzie898860]

Why is it de and not du? Another lesson had du (le canapé du salon).

[olga.aguil2]

Il porte un custome de pingouin was marque wrong, why ..?

[Daniel589120]

Il port un costume de pingouin.

https://forum.duolingo.com/comment/29267498/Il-port-un-costume-de-pingouin