[Q]: Here's a question: A mail service will often drop packages off, but also do what with them?  Here are possible answers to this question: - open them - lift up - picking up - catch - pick up  I believe the correct choice is "pick up", here's why:
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[A]: pick up definition and meaning


[Q]: Here's a question: Where might you go to buy silk?  Here are possible answers to this question: - expensive clothing - garments - chinatown - downtown - nightgown  I believe the correct choice is "chinatown", here's why:
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[A]: chinatown is the place to buy silk


[Q]: Here's a question: What do use coal to light?  Here are possible answers to this question: - fire - (this question makes no sense) - underground - stocking - fluid  I believe the correct choice is "fire", here's why:
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[A]: fire comes from coal


[Q]: Here's a question: If you get something for no cost you get that thing what?  Here are possible answers to this question: - retail markup - revenue - income - for free - benefit  I believe the correct choice is "for free", here's why:
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[A]:
free things have no cost.