That is one of the many translations we have as correct. Please let us know if you encountered any problem with it. If it was rejected it would help if you could send a screenshot showing the exercise, what you wrote, and the response from Duo.
Actually, it is included, if yours wasn't accepted you should have made a Report. At the bottom of the exercise page, you'll see a list of items to be reported...choose..."My sentence should be accepted." Then make another comment here so we know to look at it.