Advanced English Primary 1 Cloze

The scientist's discovery was _______ — it completely changed the way people understood the human body.

A groundbreaking
B trivial
C repetitive
D expected
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Worked Solution

Step 1: Context — 'completely changed the way people understood the human body' — this is a major, transformative discovery. Step 2: 'Groundbreaking' means pioneering or revolutionary — it is the first of its kind and causes major change. Answer: groundbreaking

Correct answer: groundbreaking

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