[Q]: Here's a question: What could have a knob but not a display?  Here are possible answers to this question: - television - control panel - opening doors - hardware store - hardware  I believe the correct choice is "control panel", here's why:
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[A]: control screens are not always required


[Q]: Here's a question: Where could a bee die due to lack of oxygen?  Here are possible answers to this question: - field of flowers - rose garden - bouquet of flowers - green house - trash can  I believe the correct choice is "trash can", here's why:
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[A]: waste container - wikipedia


[Q]: Here's a question: I want to make a fortune selling houses, what should I study?  Here are possible answers to this question: - real estate - treasure chest - stock market - business - bank  I believe the correct choice is "real estate", here's why:
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[A]: this word is more relevant


[Q]: Here's a question: If you need a cavity filled where do you go?  Here are possible answers to this question: - molar - doctor - dentist - teeth - unbrushed tooth  I believe the correct choice is "dentist", here's why:
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[A]:
to fill cavity go dentist