There ought be some background on where to use different spellings of words before the lessons. I constantly get questions wrong because I do not know when to use a 'y' vs 'e' vs 'i' etc. endings to words. The color section is driving me nuts.
There are Tips & Notes for "Adject. 1" and they explain it. If you're on the app and can't access it, use the website version.
Is the p silent?