Even if you find a list of letters (e.g., 1A,2B,3C...), the test proctor may shuffle the order of options. Question 1 on your paper might be Question 3 on the memorized key.
Several apps (e.g., "ALCPT Test Prep" on Google Play) contain retired questions that mirror Form 78. These apps provide instant answers and explanations. While they don't label the form number, the difficulty level and structure are identical. alcpt form 78 answer
Do not use a nickname or initials; the signature must match the name in Section A. Even if you find a list of letters (e