Choose the correct verb form: 'He is one of those dedicated medical doctors who _____ voluntary relief services in remote villages without remuneration.'

Answer and explanation

Correct answer: A. render

  1. Step 1: Complex concord rule: In 'one of the [plural noun] who...', the relative pronoun 'who' refers back to the plural antecedent ('doctors'). Step 2. Therefore, the verb inside the relative clause must agree with 'doctors' (plural): 'render'. Answer: render. Why not the others: 'renders', 'is rendering', and 'has rendered' falsely assume the singular subject 'one'.

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