Parts 4 and 5 are the cloze 完形填空 parts: a short text with gaps. Part 4 gives three word choices per gap (vocabulary); Part 5 gives no choices at all (grammar). Together they are the "vocabulary and grammar in context" engine of A2 Key.
- Part 4: six gaps, three options each. It tests word choice: collocation 搭配, meaning, phrasal verbs 短语动词.
- Part 5: six gaps in a short email — sometimes an email and its reply. No options; you write one word per gap: an article, a preposition, a pronoun, a modal — the small grammar words.
- Memory hook: Part 4 is a shop — choose from the shelf. Part 5 is a kitchen — cook the word yourself from whatever the sentence gives you.