He just needed a few things from the shopping center, but he could hardly get down an aisle it was so packed with what? - urban area - children - people - stores - suburbs  The best answer is
people
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Why would someone visit many stores before buying products? - online shopping - running out of money - debt - comparison shopping - overstocking  The best answer is
comparison shopping
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You're likely to find broken glass where after a bar closes? - field - parking lot - beach - bridge - street  The best answer is
street
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The child had learned music by ear, he had never even seen it what? - opera - written on paper - composed - teacher - stolen  The best answer is
written on paper
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