General comment again, that the words used in support of a specific topic have a very limited vocabulary. You don't seem to be taking the opportunity to reinforce the wider vocabulary. In this case it's ανοιχτό, κλειστό never seems to be used. There are many other examples, left rather than right, next to (δίπλα) seems to be used almost exclusively, in many cases it could be replaced by, in front, or behind or near, or on or in etc. etc. Using a wider range of already introduced words would not only help retention but also make some of the exercises less tedious.
At last, the cause for "refrigerator" confusion has been discovered _ but not yet resolved. Thank you all for your contribution. Please, keep letting us know any glitches or errors you find. It helps a lot.
Thank you for the input. As you will see above this is out of our hands the team creates and maintains the course but some areas are administered directly by the Duobot. It would help if you reported it next time in the "Report a problem" option on the exercise page which goes directly to Duo.
I will of course report it again from here.
Isn't refrigerator also a valid answer? I don't understand why i got it wrong.
This is exactly what we have in the Incubator for "refrigerator": The refrigerator is open. If you had that and it was marked wrong please let us know. We'll have to see what the problem is.
Please tell us which part of the course you found this on: the Tree, Strengthen Skill, or Test out. We can only edit the Tree but will report any other errors. thanks
Now, for strengthen skill the bot chooses sentences at random and doesn't get the edits immediately. Although it should have by now. I've reported it and will do so again.