Directions: A part of the sentence has been underlined and may have an error. The underlined part has been rewritten under answer options (1) to (4), (1) being a restatement of the underlined part. Select the option that is the most coherent and precise representation of the underlined part.
Consumers are beginning to take notice of Euro-II cars because they cause no air pollution and petrol without lead is used.
Reveal answer
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