You write the Gb in the base; no chord members must be doubled because it's a seventh chord. To spell the rest of the chord you would find common tones between the last chord and the current tones (If the soprano had G in the previous chord give the soprano G in this chord). Once you've found your common tones, you'd then find close tones (if the tenor had Eb in the last chord give him D in this one). You then give the remaining chord member to the last part.
I think Analysis hope it helpes
Everything you need to make a good meaningful sentence (and grammatically correct, of course), is to follow common rules. Do not forget to provide your sentence with complexity, but you don't have to make them too complicated, I mean you need to use key words, they will make your thought completed. And the second point is that you need to properly organize the sentence using correct word order. ion:
i believe its intermediate because all the colors are are between two colors