Multiple choice

In .......ten years man will have probably learnt to live long as a result of the advanced human genome research.

  1. another

  2. other

  3. roughly

  4. probably
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A Correct answer
Explanation

In the phrase 'in another ten years', the word 'another' is required because it refers to a future additional period of time. The phrase 'in another ten years' means 'ten years from now'. 'Other' cannot be used in this construction, and 'probably' appears later in the sentence already.

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