Final answer:
The correction that should be made to the sentence is to change 'lining' to 'lined.'
Step-by-step explanation:
The correction that should be made to the sentence is to change 'lining' to 'lined'. The original sentence is in past tense, so the verb 'lining' should also be in past tense. The corrected sentence would be: 'When tickets went on sale for the rock concert, young people from miles around lined up at the box office.'
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