Sally assisted me in buying my … yesterday

Analyze the question: This tests the order of adjectives/modifiers in a noun phrase. The noun here is "dress", and "party" is a noun used as a modifier (a noun adjunct) that tells us the type or purpose of the dress.

Concept: In English, modifiers usually come in this order before a noun:

Determiner/intensifier → Opinion → Size/Age/Shape/Colour → Origin → Material → Purpose/Type → NOUN

• "very first" is a determiner-type phrase (the intensifier "very" emphasizes "first", which is an ordinal number). It comes at the beginning.
• "party" shows the purpose or type, so it sits right next to the noun "dress".

So the natural order is: very first → party → dress

Step-by-step check of the options:

• A. very first party dress: "very" modifies "first", then "party" (type), then "dress" (noun). Correct.
• B. first very party dress: "very" has to come before "first" to modify it. Wrong.
• C. party very first dress: "party" is separated from "dress", and the order is jumbled. Wrong.
• D. party dress first very: The modifiers come after the noun, which is not acceptable here. Wrong.

Complete sentence: "Sally assisted me in buying my very first party dress yesterday."

Exam tip: In these word-order questions, remember that the word closest to the noun is usually the one describing its type or purpose (e.g., party dress, school bag, football boots). Intensifiers like "very" must come right before the word they modify. If you see "very" after the word it modifies, eliminate that option immediately.