Question
Read the following sentence to find out whether there is
any grammatical mistake/error or idiomatic error in it. The error, if any, will be in one part of the sentence. Mark the number of that part with error as your answer. If there is no error, mark 'No error'. (Ignore errors of punctuation, if any)Solution
In part D, the pronoun used should refer to 'renewable sources' and not 'rate of electricity', as the latter cannot be 'adopted'. So, 'their' is the correct word to be used. Option D is the right answer.
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