The sequence of forms is not always linear. Form 77 may test past perfect tense heavily, while Form 78 may focus on comparatives. An answer key from a different form will be mostly incorrect.
Having a quick temper or getting angry very easily. 2. Essential Vocabulary & Synonyms alcpt form 78 answer
Based on recent study materials and flashcards for this specific form, you should focus on these high-frequency terms and themes: The sequence of forms is not always linear