I have noticed that input field can be resized in some questions. If you add more characters is incrementing its size. So, a guess doesnt work always. For example i have met a question where input field has a size of three _ _ _ and the answer is larger. However, this happens because of the design and creation tool of quizes. Sololearn's purpose isn't to make learning difficult. Although learning is difficult sololearn makes it easy so probably they didn't pay so much attention to this. On the other hand, if someone wants to guess the answers and not analyze and understand the question then he wastes time and doesnt learn.
Yes. But I think SL's purpose is, not to make learning difficulty. It only with fill in the blank type.. May be for, Makes it logically or smartly think nature for beginners.. To make it balance difficult questions are there.
It is my assumption only. May be that also because of implementation specific.. Like if it 2 letters so they left it as %2d. It makes to compare answer easy, otherwise it takes empty spaces count, leads to wrong answer verification..
If my assumption is wrong, pls correct me anyone.. I feel the same so want to know correct one...