I do not think so: You will remember this due to your effort while others may oversee this.
I say doesn't instead of does not and it is markes as an error. That is not fair :)
That should not happen. Contractions are handled automatically by Duolingo software. But they can have a bug...
Please submit a report ("My answer should be accepted...") in these cases.
In other sentences you used "pro" with the verb "nečeká"
I didn't see "pro" here.. so my answer was : He does not wait the last day.
and it was wrong.
Why didn't we use "pro" here ?